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2020

UPSC CSE (Main) 2020

GS Paper III 2020

Technology, economy, biodiversity, environment, security & disasters.

UPSC's question paper: open the official PDF ↗

GS Paper IGS Paper IIGS Paper IIIGS Paper IVEssay

GS Paper III 2020 · Q1

10 marks · 150 words Inclusive growth X-Ray · Core #4

Explain intra-generational and inter-generational issues of equity from the perspective of inclusive growth and sustainable development.

Approach · directive: “explain”

What it asks · Explain what equity within one generation and equity between generations mean, and link each to inclusive growth and to sustainable development.

It asks 2 things — answer each

  1. Explain intra-generational equity and link it to inclusive growth
  2. Explain inter-generational equity and link it to sustainable development

Open with · Sustainable development (Brundtland Report, 1987) meets 'the needs of the present without compromising the ability of future generations to meet their own needs'. Two equities follow: among people alive today, and towards those yet to come.

Cover

  • Intra-generational equity: fairness among people alive today, across income, gender, caste, region and the rural-urban divide, in access to jobs, health, education and resources.
  • Inclusive growth lens: growth that bypasses the poor and informal workers widens gaps; remedies are jobs, skills, social protection, financial inclusion and basic services.
  • Inter-generational equity: today's use of forests, groundwater, soil, minerals, the atmosphere and public debt should not leave future generations poorer or burdened.
  • Sustainability lens: groundwater depletion, coal-heavy growth and climate change shift costs to the young and the unborn, while today's poor face the first impact.
  • Tension: poverty can force over-use of commons, and a growth-first push helps today's poor but can burden the future, so the two equities need balancing.
  • Response: universal basic services and targeted transfers, polluter-pays and precautionary principles, green finance, renewables and the SDG pledge to leave no one behind.

Close with · Growth passes both tests only when it keeps the SDG pledge to leave no one behind today while staying within ecological limits, so that no cost is passed to those who cannot yet speak.

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Question: UPSC's CS (Main) 2020, GS Paper III — paper ↗. Approach: Minimalist IAS, checked 3 Oct 2026 (how we verify) — UPSC publishes no model answers. ·

Model answer· 222words · Minimalist IAS

Sustainable development (Brundtland Report, 1987) meets 'the needs of the present without compromising the ability of future generations to meet their own needs'. Two equities follow: among people alive today, and towards those yet to come.

Intra-generational equity: the inclusive growth test

  • Meaning: fair access to jobs, health, education and resources across income, gender, caste and region.
  • Inclusive growth lens: growth that bypasses informal workers and lagging regions widens gaps; the remedies are jobs, skills, social protection and basic services.

The full answer goes on to cover

  1. Inter-generational equity: the sustainable development test
  2. Balancing the two

With 1 table you can reproduce in the exam.

Read the full model answer (222 words) →

Prepared by Minimalist IAS to the answer standard of Shivam Singh (mentor, 7 years) · facts checked against official sources (how we verify) · updated 3 Oct 2026. UPSC publishes no model answers: compare your structure and coverage with this, then write your own.

GS Paper III 2020 · Q2

10 marks · 150 words Economy: planning, growth & employment X-Ray · Core #4

Define potential GDP and explain its determinants. What are the factors that have been inhibiting India from realizing its potential GDP?

Approach · directive: “define / explain / what”

What it asks · Define potential GDP, explain what determines it, then list the constraints that keep India's actual output below it.

It asks 3 things — answer each

  1. Define potential GDP
  2. Explain the determinants of potential GDP
  3. Identify the factors that have kept India from realising its potential GDP

Open with · Potential GDP is the highest output an economy can sustain with labour, capital and technology fully used, without stoking inflation; the gap to actual output is the output gap. RBI puts India's potential growth at about 7% in 2009–15, down from 8% in 2003–08.

Cover

  • Determinants: size and skills of the labour force, capital stock and investment, total factor productivity, natural resources, and the quality of institutions.
  • Labour: low female labour force participation, weak learning and health outcomes, and skill mismatch leave the demographic dividend only partly used.
  • Capital: the investment rate has fallen from its earlier highs, weighed down by stressed bank and corporate balance sheets, while logistics and power costs remain high.
  • Productivity: a large workforce still in low-productivity farming, widespread informality, and small firms that stay small, with low spending on research.
  • Policy and institutions: rigid land and labour markets, compliance costs, slow contract enforcement and court delays, and regulatory uncertainty deter investment.
  • Demand and shocks: weak consumption and rural distress, the global slowdown and the COVID-19 shock widened the output gap, while high debt limits fiscal space.

Close with · Lifting that ceiling and then reaching it, through investment, better-used labour and productivity together, is the growth path to Viksit Bharat @2047 without inflation.

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  • RBI Bulletin (2016), 'India's Potential Output Revisited': potential growth accelerated to about 8% in 2003-08 and decelerated to about 7% in 2009-15, mainly due to lower total factor productivity and slower growth of capital stocks.RBI Bulletin, India's Potential Output Revisited (2016) ↗“India’s potential growth, which had accelerated to around 8 per cent during 2003-2008, decelerated considerably in the aftermath of the global financial crisis to about 7 per cent during 2009-2015, mainly due to decline in contribution of total factor productivity and deceleration in the growth of capital stocks.”
  • Economic Survey 2019-20 (Vol 2, Ch 1): the fixed investment rate has declined sharply since 2011-12 and plateaued from 2016-17; household fixed investment fell from 14.3% to 10.5% of GDP between 2009-14 and 2014-19.Economic Survey 2019-20, Volume 2, Chapter 1 ↗“The drop in fixed investment by households from 14.3 per cent to 10.5 per cent explains most of the decline in overall fixed investment between 2009-14 to 2014- 19”
  • Economic Survey 2016-17 (Ch 4) names the twin balance sheet problem: over-leveraged companies and bad-loan-encumbered banks.Economic Survey 2016-17, Chapter 4: The Festering Twin Balance Sheet Problem ↗“India has been trying to solve its Twin Balance Sheet problem–over- leveraged companies and bad-loan-encumbered banks”
  • PLFS Annual Report 2018-19 (MoSPI): among persons aged 15 years and above, the labour force participation rate in usual status was 50.2% (51.5% rural, 47.5% urban).MoSPI, Periodic Labour Force Survey Annual Report 2018-19 ↗“Among persons of age 15 years and above, LFPR in India was 50.2 per cent: it was 51.5 per cent in rural areas and 47.5 per cent in urban areas.”

Question: UPSC's CS (Main) 2020, GS Paper III — paper ↗. Approach: Minimalist IAS, checked 3 Oct 2026 (how we verify) — UPSC publishes no model answers. ·

Model answer· 225words · Minimalist IAS

Potential GDP is the highest output an economy can sustain with labour, capital and technology fully used, without stoking inflation; the gap to actual output is the output gap. RBI (2016) put India's potential growth at about 7% in 2009–15, down from 8% in 2003–08.

Determinants of potential GDP

LabourCapitalProductivityResourcesInstitutionsPotential GDP

Potential GDP: Labour; Capital; Productivity; Resources; Institutions

  • Supply side: the workforce's size and skills, the capital stock built by investment, total factor productivity, natural resources, and the institutions that govern their use.

The full answer goes on to cover

  1. Factors inhibiting India from realising its potential GDP
  2. Way forward

Read the full model answer (225 words) →

Prepared by Minimalist IAS to the answer standard of Shivam Singh (mentor, 7 years) · facts checked against official sources (how we verify) · updated 3 Oct 2026. UPSC publishes no model answers: compare your structure and coverage with this, then write your own.

GS Paper III 2020 · Q3

10 marks · 150 words Crops, irrigation & farm marketing X-Ray · Core #35

What are the main constraints in transport and marketing of agricultural produce in India?

Approach · directive: “what”

What it asks · List the main constraints that keep farm produce from reaching buyers efficiently: physical ones (roads, transport, storage) and institutional ones (mandis, middlemen, information).

It asks 2 things — answer each

  1. Identify the main constraints in the transport of agricultural produce
  2. Identify the main constraints in the marketing of agricultural produce

Open with · RBI's price-chain surveys find traders and retailers take more than half the consumer price of most fruits and vegetables (rabi 2024). That gap between farm gate and plate is the cost of weak transport and marketing.

Cover

  • Transport: weak rural and last-mile roads, few refrigerated vehicles, high logistics costs, and limited use of rail and waterways for perishables.
  • Storage and cold chain: too few warehouses, cold stores and pack-houses near farms, causing heavy post-harvest losses of fruit, vegetables, milk and fish.
  • Market structure: mandis are few and far apart, commission agents dominate, and small farmers sell to local traders right after harvest at low prices.
  • Fragmented holdings: small marketable surplus makes aggregation, grading, standardisation and bargaining difficult, and weakens access to credit against stored produce.
  • Information and price discovery: poor market information, limited grading and testing, and the uneven reach of e-NAM keep many farmers from better prices.
  • Way out: FPOs for aggregation, cold chains and warehouses, e-NAM, direct purchase and contract farming, better rural roads, and a rail-road-air network for perishables.

Close with · When the farmer's share for fruit and vegetables rises towards the half he already gets for rice (RBI), marketing reform will have done its work.

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Question: UPSC's CS (Main) 2020, GS Paper III — paper ↗. Approach: Minimalist IAS, checked 3 Oct 2026 (how we verify) — UPSC publishes no model answers. ·

Model answer· 226words · Minimalist IAS

RBI's price-chain surveys find traders and retailers take more than half the consumer price of most fruits and vegetables (rabi 2024). That gap between farm gate and plate is the cost of weak transport and marketing.

Constraints in the transport of agricultural produce

  • Last-mile roads: weak rural and feeder roads slow movement from farm to market, worst in the monsoon.
  • Cold logistics and cost: few refrigerated vehicles and pack-houses, so perishables spoil; rail and waterways barely used; high freight eats small margins.

The full answer goes on to cover

  1. Constraints in the marketing of agricultural produce
  2. Way forward

With 1 flowchart you can reproduce in the exam.

Read the full model answer (226 words) →

Prepared by Minimalist IAS to the answer standard of Shivam Singh (mentor, 7 years) · facts checked against official sources (how we verify) · updated 3 Oct 2026. UPSC publishes no model answers: compare your structure and coverage with this, then write your own.

GS Paper III 2020 · Q4

10 marks · 150 words Food processing X-Ray · Core #35

What are the challenges and opportunities of food processing sector in the country? How can income of the farmers be substantially increased by encouraging food processing?

Approach · directive: “what / how”

What it asks · Set out both the challenges and the opportunities of the food processing sector, then show how processing can lift farm incomes.

It asks 3 things — answer each

  1. Identify the challenges of the food processing sector
  2. Identify the opportunities of the food processing sector
  3. Explain how encouraging food processing can substantially raise farmers' income

Open with · India produced 198.4 million tonnes of milk in 2019-20 and is among the largest producers of pulses, fruit and vegetables, yet food processing was only 9.87% of manufacturing GVA (Economic Survey 2021-22). That gap is the sector's challenge and its opportunity.

Cover

  • Opportunities: rising urban incomes and demand for packaged and ready-to-eat food, export potential, rural non-farm jobs, and a large domestic raw-material base.
  • Challenges: fragmented supply chains, inadequate cold chain and storage, small scattered units, low technology, and limited grading and quality standards.
  • More challenges: seasonal, perishable supply and price swings, credit gaps for small units, high logistics cost, and food-safety compliance.
  • Farm incomes: processing adds value, cuts post-harvest loss, creates steady demand and better prices, and offers non-farm jobs close to villages.
  • Linking farmers: FPOs and cooperatives for aggregation, contract farming with assured procurement, grading and packing at source, and processing units near production clusters.
  • Government support: Pradhan Mantri Kisan SAMPADA Yojana (mega food parks, cold chain), the micro-enterprises formalisation scheme (PMFME), and liberal FDI norms.

Close with · Processing turns a perishable harvest into durable income; when PMFME units and PLI brands buy through FPOs at the farm gate, farmers become value-sharers, not price-takers.

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  • Economic Survey 2021-22: food processing was 9.87% of manufacturing GVA in 2019-20 and 12.38% of employment in the registered factory sector (ASI 2017-18); 19.33 lakh persons in registered and 51.11 lakh in unregistered food processing units.Economic Survey 2021-22, Chapter on Agriculture and Food Management ↗“The sector constituted as much as 9.87 per cent of GVA in manufacturing in 2019-20 at 2011-12 prices. Food Processing Industry is one of the major employment intensive segments having a share of 12.38 per cent (at 3-digit of NIC classification) in the employment generated in all Registered Factory sector in 2017-18.”
  • Economic Survey 2021-22: 19.33 lakh persons were engaged in the registered food processing sector (ASI 2017-18) and 51.11 lakh in unregistered units (NSSO 73rd Round, 2015-16).Economic Survey 2021-22, Chapter on Agriculture and Food Management ↗“the total number of persons engaged in registered food processing sector was 19.33 lakh. Unregistered food processing sector supports employment to 51.11 lakh worker as per the NSSO 73rd Round, 2015-16”
  • PIB backgrounder (2025): PM Formalisation of Micro Food Processing Enterprises (PMFME) runs from 2020-21 to 2025-26 with an outlay of Rs 10,000 crore to bring micro units into the organised sector.PIB backgrounder on the PMFME scheme (September 2025) ↗“The scheme runs from 2020-21 to 2025-26 with an outlay of Rs. 10,000 crores. Its goal is to make micro enterprises more competitive, bring them into the organised sector and unlock new opportunities for growth.”
  • PIB backgrounder (March 2025): the Production Linked Incentive Scheme for Food Processing Industry was approved by the Cabinet in March 2021 with an outlay of Rs 10,900 crore for 2021-22 to 2026-27.PIB backgrounder on the food processing sector (March 2025) ↗“Production Linked Incentive Scheme for Food Processing Industry (PLISFPI) was approved by Union Cabinet in March 2021, with an outlay of ₹10,900 Crore. The Scheme is being implemented over a six-year period from 2021-22 to 2026-27.”
  • Economic Survey 2020-21: milk production rose from 146.3 million tonnes in 2014-15 to 198.4 million tonnes in 2019-20.Economic Survey 2020-21, Volume 2, Chapter 7 ↗“Milk production in the country has increased from 146.3 million tonnes in 2014-15 to 198.4 million tonnes in 2019-20”

Question: UPSC's CS (Main) 2020, GS Paper III — paper ↗. Approach: Minimalist IAS, checked 3 Oct 2026 (how we verify) — UPSC publishes no model answers. ·

Model answer· 223words · Minimalist IAS

India produced 198.4 million tonnes of milk in 2019-20 and is among the largest producers of pulses, fruit and vegetables, yet food processing was only 9.87% of manufacturing GVA (Economic Survey 2021-22). That gap is the sector's challenge and its opportunity.

Challenges of the food processing sector

  • Broken supply chains: weak cold storage and transport, seasonal and perishable supply, price swings.
  • Small, scattered units: low technology, thin credit and weak quality standards; 51.11 lakh workers are in unregistered units (NSSO 2015-16).

The full answer goes on to cover

  1. Opportunities of the food processing sector
  2. How food processing can substantially raise farmers' income

With 1 flowchart you can reproduce in the exam.

Read the full model answer (223 words) →

Prepared by Minimalist IAS to the answer standard of Shivam Singh (mentor, 7 years) · facts checked against official sources (how we verify) · updated 3 Oct 2026. UPSC publishes no model answers: compare your structure and coverage with this, then write your own.

GS Paper III 2020 · Q5

10 marks · 150 words IT, space, robotics, biotech & IPR

What do you understand by nanotechnology and how is it helping in health sector?

Approach · directive: “what / how”

What it asks · Define nanotechnology, then show its applications in diagnosis, drug delivery, treatment and public health, with a word on risks.

It asks 2 things — answer each

  1. Explain what nanotechnology is
  2. Show how nanotechnology is helping the health sector

Open with · Nanotechnology is the engineering of matter at roughly 1 to 100 nanometres (a nanometre is a billionth of a metre), where materials gain optical, chemical and biological properties they lack in bulk. Medicine is its fastest-moving use.

Cover

  • Concept: engineering atoms and molecules at the nanoscale (a nanometre is a billionth of a metre) to make particles, materials and devices with new properties.
  • Drug delivery: nanoparticles and liposomes carry a drug to the target tissue, as in cancer therapy, raising effect and cutting side effects.
  • Diagnostics and imaging: nano-biosensors, quantum dots and contrast agents help detect disease early; lab-on-chip devices support low-cost point-of-care tests.
  • Treatment and repair: nano-scaffolds for tissue engineering, nano-coatings for implants, and silver nanoparticles as antimicrobial agents in wound care.
  • Vaccines: lipid nanoparticles are the carriers in mRNA COVID-19 vaccines, showing how nanotechnology can serve public health at scale.
  • India: the Nano Mission of the Department of Science and Technology (2007) funds research, and low-cost nano-based diagnostics and drug carriers are being developed.
  • Concerns: nanotoxicity and unknown long-term effects, accumulation in the body and environment, and thin regulation, which call for safety testing and clear norms.

Close with · Nanomedicine can make care earlier, cheaper and more precise; pairing the Nano Mission's research base with safety norms lets the smallest particles serve the largest public-health goals.

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  • DST: the Government launched the Mission on Nano Science and Technology (Nano Mission) in May 2007; the Cabinet approved its Phase II in the 12th Plan period till 2017, after which it continues as the National Programme on Nano Science and Technology.Department of Science and Technology: National Programme on Nano Science and Technology (earlier Nano Mission) ↗“the Government of India launched a Mission on Nano Science and Technology (Nano Mission) in May 2007. Recognizing the success of Nano Mission, the Union Cabinet accorded approval for continuation of the Nano Mission in its Phase-II during the 12th Plan period till 2017.”

Question: UPSC's CS (Main) 2020, GS Paper III — paper ↗. Approach: Minimalist IAS, checked 3 Oct 2026 (how we verify) — UPSC publishes no model answers. ·

Model answer· 224words · Minimalist IAS

Nanotechnology is the engineering of matter at roughly 1 to 100 nanometres (a nanometre is a billionth of a metre), where materials gain optical, chemical and biological properties they lack in bulk. Medicine is its fastest-moving use.

What nanotechnology is

  • Scale effects: at this size surface area rises sharply and quantum effects appear, giving new reactivity and conductivity.
  • India's push: DST's Nano Mission (May 2007), continued till 2017 and now the National Programme on Nano Science and Technology, funds this research.

The full answer goes on to cover

  1. How nanotechnology is helping the health sector
  2. Concerns and the way forward

With 1 diagram you can reproduce in the exam.

Read the full model answer (224 words) →

Prepared by Minimalist IAS to the answer standard of Shivam Singh (mentor, 7 years) · facts checked against official sources (how we verify) · updated 3 Oct 2026. UPSC publishes no model answers: compare your structure and coverage with this, then write your own.

GS Paper III 2020 · Q6

10 marks · 150 words Science & technology in everyday life X-Ray · Core #44

How is science interwoven deeply with our lives? What are the striking changes in agriculture triggered off by the science-based technologies?

Approach · directive: “how / what”

What it asks · Show with examples how science shapes daily life, then pick the biggest science-driven changes in agriculture, including their limits.

It asks 2 things — answer each

  1. Show how science is interwoven with our daily lives
  2. Identify the striking changes that science-based technologies have brought to agriculture

Open with · From the food on the plate to the phone in the hand, science shapes daily life, usually unnoticed; nowhere is the change more visible than on the farm.

Cover

  • Daily life: vaccines and diagnostics, mobile phones and UPI, electricity and LEDs, water purification, weather forecasts, transport and household devices.
  • Mind and society: scientific temper (Article 51A(h)), evidence-based policy, data-driven governance, and space and remote-sensing services from ISRO.
  • Green Revolution: high-yielding varieties of wheat and rice, with fertiliser and irrigation, made India self-sufficient in foodgrains.
  • Biotechnology and breeding: Bt cotton (2002), hybrids, tissue culture and better livestock breeds; Operation Flood helped make India the largest milk producer.
  • Precision and digital farming: drones, satellite crop and soil monitoring, soil health cards, weather advisories, e-NAM and mobile advisory apps.
  • Water and inputs: drip and sprinkler irrigation, bio-fertilisers, integrated pest management, cold chains and climate-resilient seeds.
  • Concerns: soil and groundwater damage, pesticide residue, monoculture and loss of biodiversity, and unequal access; science must serve sustainable, inclusive farming.

Close with · Science made a food-deficit nation a grain-surplus one; its next task on the farm is to raise yields sustainably, guided by the scientific temper of Article 51A(h).

Add value (verified)

  • Economic Survey 2020-21: foodgrain production in 2019-20 (fourth advance estimates) was a record 296.65 million tonnes, 11.44 million tonnes above 2018-19.Economic Survey 2020-21, Volume 2, Chapter 7 ↗“In the year 2019-20 (as per fourth advance estimates), total food grain production in the country is estimated at record 296.65 million tonnes which is higher by 11.44 million tonnes than the production of food grain of 285.21 million tonnes achieved during 2018- 19.”
  • PIB factsheet: the Soil Health Card Scheme was launched on 19 February 2015 at Suratgarh, Rajasthan; 10,73,48,416 cards were issued in Cycle I (2015-17) and 11,97,73,040 in Cycle II (2017-19).PIB factsheet: Soil Health Card Scheme ↗“In Cycle- I (2015-17), 107348416 Soil Health Cards were issued to farmers. In Cycle-II (2017-19), 119773040 Soil Health Cards have been issued to farmers across the country.”

Question: UPSC's CS (Main) 2020, GS Paper III — paper ↗. Approach: Minimalist IAS, checked 3 Oct 2026 (how we verify) — UPSC publishes no model answers. ·

Model answer· 224words · Minimalist IAS

From the food on the plate to the phone in the hand, science shapes daily life, usually unnoticed; nowhere is the change more visible than on the farm.

How science is interwoven with our lives

  • Health: vaccines, antibiotics and diagnostics lengthen lives.
  • Connectivity and money: mobile phones, the internet and UPI run on semiconductors and satellites.
  • Energy and home: electricity, LEDs, refrigeration; ISRO's forecasts and remote sensing guide farmers and disaster response.
  • Mind and State: scientific temper is a fundamental duty under Article 51A(h).

The full answer goes on to cover

  1. Striking changes in agriculture triggered by science-based technologies

With 1 timeline you can reproduce in the exam.

Read the full model answer (224 words) →

Prepared by Minimalist IAS to the answer standard of Shivam Singh (mentor, 7 years) · facts checked against official sources (how we verify) · updated 3 Oct 2026. UPSC publishes no model answers: compare your structure and coverage with this, then write your own.

GS Paper III 2020 · Q7

10 marks · 150 words Conservation, pollution & EIA

How does the draft Environment Impact Assessment (EIA) Notification, 2020 differ from the existing EIA Notification, 2006?

Approach · directive: “how”

What it asks · Compare the 2020 draft with the 2006 Notification on the points that changed: prior clearance and violations, public consultation, reporting and validity.

Open with · The EIA Notification, 2006, under the Environment (Protection) Act, 1986, makes prior environmental clearance mandatory for listed projects. The draft of March 2020 (S.O. 1199(E)) proposed to replace it, and the differences touch precaution and public voice.

Cover

  • Violations: 2006 requires clearance before work begins; draft clause 22 lets projects started without it be regularised on penalty, which critics call post-facto legalisation.
  • Cognizance of violations rests on the promoter's own report, a government authority's report or an appraisal finding; citizens must route complaints through officials.
  • Public consultation: notice for a public hearing is cut from 30 to 20 days, and B2 and strategic projects are exempt from consultation.
  • Compliance: promoters file one compliance report a year instead of two, which reduces monitoring.
  • Validity: clearance is valid for up to 50 years for mining (30 before) and 15 for river-valley projects (10 before).
  • Rationale and critique: the government cites ease, digital filing and transparency; critics say it dilutes public participation and the precautionary principle.

Close with · Faster, digital clearance is a fair aim, but Alembic's test stands: clearance after the fact contradicts the precautionary principle, so a new notification must keep prior scrutiny and a full public hearing.

Add value (verified)

  • Supreme Court, Alembic Pharmaceuticals Ltd v. Rohit Prajapati (1 April 2020), as reported by LiveLaw (legal news report): ex post facto environmental clearance is against the fundamental principles of environmental jurisprudence and contrary to the precautionary principle.LiveLaw report on Alembic Pharmaceuticals Ltd v. Rohit Prajapati, Supreme Court, 1 April 2020 ↗“The Supreme Court has reiterated that the concept of 'ex post facto' Environmental Clearance (EC) is against the fundamental principles of environmental jurisprudence.”
  • Delhi High Court, Vikrant Tongad v. Union of India (30 June 2020), as summarised by ELAW: the deadline for public comments on the draft EIA notification was set at 11 August 2020, and the Court declined to extend it further.ELAW case summary: Vikrant Tongad v. Union of India, W.P.(C) 3747/2020, Delhi High Court, 30 June 2020 ↗“The Court set the deadline for comments as August 11, 2020 and declined to extend the period further. The High Court also addressed the fact that the draft notification was only published in English”

Question: UPSC's CS (Main) 2020, GS Paper III — paper ↗. Approach: Minimalist IAS, checked 3 Oct 2026 (how we verify) — UPSC publishes no model answers. ·

Model answer· 224words · Minimalist IAS

The EIA Notification, 2006, under the Environment (Protection) Act, 1986, makes prior environmental clearance mandatory for listed projects. The draft of March 2020 (S.O. 1199(E)) proposed to replace it, and the differences touch precaution and public voice.

How draft 2020 differs from EIA 2006

AspectEIA 2006Draft EIA 2020
Project started without clearanceA violationRegularised on penalty (clause 22)
Notice for public hearing30 days20 days
Validity: mining30 years50 years
  • Who reports violations: cognizance rests on the promoter's own report, a government authority or an appraisal finding, not on citizens.
  • Who is consulted: B2 projects and those declared strategic are exempt from public consultation.
  • How often compliance is checked: one report a year instead of two.

The full answer goes on to cover

  1. Why the differences matter
  2. Way forward

Read the full model answer (224 words) →

Prepared by Minimalist IAS to the answer standard of Shivam Singh (mentor, 7 years) · facts checked against official sources (how we verify) · updated 3 Oct 2026. UPSC publishes no model answers: compare your structure and coverage with this, then write your own.

GS Paper III 2020 · Q8

10 marks · 150 words Conservation, pollution & EIA X-Ray · Core #12

What are the salient features of the Jal Shakti Abhiyan launched by the Government of India for water conservation and water security?

Approach · directive: “what”

What it asks · State the objective, coverage, target interventions, delivery method and later extension of the Jal Shakti Abhiyan.

Open with · India draws 58–63% of its annual groundwater recharge each year (2004–2020, Dynamic Ground Water Resources 2020). Jal Shakti Abhiyan (JSA), launched on 1 July 2019, set out to change that from the ground up.

Cover

  • Focus: 1,592 water-stressed blocks in 256 districts, where teams of central officers work with the district administration.
  • Two phases in 2019: 1 July to 15 September in the monsoon season, and 1 October to 30 November for states receiving the North East retreating monsoon.
  • Five target interventions: conservation and rainwater harvesting; renovation of traditional water bodies and tanks; reuse and borewell recharge structures; watershed development; intensive afforestation.
  • Delivery: a collaborative effort of Union ministries and state governments, coordinated by the Department of Drinking Water and Sanitation, with block and district water conservation plans.
  • Supporting steps: efficient irrigation and better crop choices promoted through Krishi Vigyan Kendras, and a large communications campaign to involve citizens.
  • Later phase: from 2021 the campaign continued as Catch the Rain, covering all districts, rural and urban.
  • Links: complements the Jal Jeevan Mission (tap water for rural homes) and the Atal Bhujal Yojana (community groundwater management).

Close with · JSA works when conservation becomes local: catching the rain where it falls, when it falls, and budgeting groundwater village by village builds water security where the rain lands.

Add value (verified)

  • The Ministry's launch note gives the campaign's scale and its five interventions in its own words.Jal Shakti Abhiyan for Water Conservation Launched, Ministry of Jal Shakti, PIB (1 July 2019) ↗“teams of officers from the central government will visit and work with district administration in 1592 water stressed blocks in 256 districts, to ensure five important water conservation interventions”
  • Economic Survey 2021-22 (citing the National Compilation on Dynamic Ground Water Resources of India, 2020): annual groundwater extraction has been in the range of 58–63% of extractable resources during 2004–2020.Economic Survey 2021-22, Chapter on Sustainable Development and Climate Change ↗“Overall, the annual ground water extraction has been in the range of 58-63 per cent during this period.”
  • PIB backgrounder (2024): Jal Shakti Abhiyan: Catch the Rain was launched in 2021 with the theme 'Catch the Rain, Where it Falls When it Falls', extending coverage to all blocks in rural and urban areas.PIB backgrounder: Jal Shakti Abhiyan: Catch the Rain 2024 ↗“In 2021, “Jal Shakti Abhiyan: Catch the Rain” (JSA: CTR) was launched with the theme “Catch the Rain – Where it Falls When it Falls.” This initiative subsumed the earlier Catch the Rain campaign, extending its coverage to all blocks in both rural and urban areas across the country.”
  • PIB backgrounder (2022): the Cabinet approved Atal Bhujal Yojana on 24 December 2019, a Central Sector Scheme of Rs 6,000 crore for 2020-21 to 2024-25; 50% is a World Bank loan repaid by the Centre, and committees must have 20% women.PIB backgrounder: Atal Bhujal Yojana (March 2022) ↗“gave its approval for the implementation of the Atal Bhujal Yojana (ATAL JAL), a Central Sector Scheme with a total outlay of Rs. 6000 Crore to be implemented over a period of 5 years (2020-21 to 2024-25).”

Question: UPSC's CS (Main) 2020, GS Paper III — paper ↗. Approach: Minimalist IAS, checked 3 Oct 2026 (how we verify) — UPSC publishes no model answers. ·

Model answer· 221words · Minimalist IAS

India draws 58–63% of its extractable groundwater each year (2004–2020, Dynamic Ground Water Resources 2020). Jal Shakti Abhiyan (JSA), launched on 1 July 2019, set out to change that from the ground up.

Salient features of the Jal Shakti Abhiyan

  • Objective: a time-bound jan andolan for water conservation and water security, on the lines of Swachh Bharat.
  • Coverage and timing: 1,592 water-stressed blocks in 256 districts; 1 July to 15 September 2019 for the monsoon, 1 October to 30 November for retreating-monsoon states.
  • Five interventions:
RainwaterharvestingTraditional waterbodiesReuse and borewellrechargeWatersheddevelopmentIntensiveafforestationJal ShaktiAbhiyan

Jal Shakti Abhiyan: Rainwater harvesting; Traditional water bodies; Reuse and borewell recharge; Watershed development; Intensive afforestation

  • Delivery: central officers work with district administrations, coordinated by the Department of Drinking Water and Sanitation.
  • Supporting steps: Krishi Vigyan Kendras push efficient irrigation and crop choices, plus a mass communication campaign.

The full answer goes on to cover

  1. Later phases and links

Read the full model answer (221 words) →

Prepared by Minimalist IAS to the answer standard of Shivam Singh (mentor, 7 years) · facts checked against official sources (how we verify) · updated 3 Oct 2026. UPSC publishes no model answers: compare your structure and coverage with this, then write your own.

GS Paper III 2020 · Q9

10 marks · 150 words Cyber security, media & money-laundering

Discuss different types of cyber crimes and measures required to be taken to fight the menace.

Approach · directive: “discuss”

What it asks · Classify cyber crimes with examples, and list the legal, institutional, technical and awareness measures needed to check them.

It asks 2 things — answer each

  1. Discuss the different types of cyber crime, with examples
  2. Discuss the measures required to fight the menace

Open with · Cyber crime is any unlawful act in which a computer or network is the tool, the target or both. NCRB counted 50,035 such cases in 2020, rising to 65,893 by 2022, with fraud cases alone up from 10,395 to 17,470.

Cover

  • Against individuals: identity theft, phishing and online fraud, cyber stalking and bullying, sextortion, morphed images and data theft.
  • Against organisations and infrastructure: ransomware and malware, denial-of-service attacks, hacking, data breaches, and attacks on power grids, banks and hospitals.
  • Against the State and society: cyber terrorism, espionage, fake news and hate spread through social media, radicalisation, and cyber warfare.
  • Legal: the IT Act, 2000 (Sections 66C, 66D, 66F cover identity theft, cheating by personation, cyber terrorism) and penal law on fraud and stalking.
  • Institutions: CERT-In for incident response, NCIIPC for critical infrastructure, the Indian Cyber Crime Coordination Centre (I4C) and the national cyber crime reporting portal.
  • Prevention: cyber hygiene and public awareness, two-factor authentication, security audits, trained police and forensic labs, and cooperation with platforms and other countries.
  • Gaps: low reporting and conviction, cross-border jurisdiction, fast-changing technology, and a data-protection law that came late (Digital Personal Data Protection Act, 2023).

Close with · Sound law, capable institutions and alert citizens must move together, because technology changes faster than legislation; the DPDP Act's test now is enforcement.

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Question: UPSC's CS (Main) 2020, GS Paper III — paper ↗. Approach: Minimalist IAS, checked 3 Oct 2026 (how we verify) — UPSC publishes no model answers. ·

Model answer· 225words · Minimalist IAS

Cyber crime is any unlawful act in which a computer or network is the tool, the target or both. NCRB counted 50,035 such cases in 2020, rising to 65,893 by 2022, with fraud cases alone up from 10,395 to 17,470.

Different types of cyber crimes

TargetMain crimesLegal hook
IndividualsIdentity theft, phishing, stalking, sextortionIT Act S. 66C, 66D
Organisations and infrastructureRansomware, denial-of-service, data breachesCERT-In, NCIIPC
State and societyCyber terrorism, espionage, fake newsIT Act S. 66F
  • Against individuals: online financial fraud, sextortion and morphed images, often targeting first-time users.

The full answer goes on to cover

  1. Measures required to fight the menace

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Prepared by Minimalist IAS to the answer standard of Shivam Singh (mentor, 7 years) · facts checked against official sources (how we verify) · updated 3 Oct 2026. UPSC publishes no model answers: compare your structure and coverage with this, then write your own.

GS Paper III 2020 · Q10

10 marks · 150 words Border management & organised crime X-Ray · Core #54

For effective border area management, discuss the steps required to be taken to deny local support to militants and also suggest ways to manage favourable perception among locals.

Approach · directive: “discuss / suggest”

What it asks · Give two sets of measures: those that cut the shelter, information, supplies and recruits militants draw from border communities, and those that win the locals' trust.

It asks 2 things — answer each

  1. Discuss the steps required to deny local support to militants in border areas
  2. Suggest ways to manage a favourable perception among locals

Open with · A fence can stop an infiltrator; it cannot stop a village from sheltering one. Militants live on local shelter, information, supplies and recruits, so the community matters as much as the line.

Cover

  • Intelligence and policing: village-level informant networks, community policing, local police strength and quick response to tip-offs, with intelligence sharing between forces.
  • Cut the lifelines: curb smuggling, hawala and narcotics money that fund militancy; tighten cross-border movement with fencing, sensors and drones.
  • Development: roads, schools, health centres and connectivity in border villages through the Border Area Development Programme, so that locals have a stake in peace.
  • Livelihoods: skills, jobs and local recruitment into forces and border works, and support for border trade and local produce.
  • Conduct of forces: disciplined behaviour, respect for human rights and local custom, prompt redress of complaints, and civic action such as medical camps.
  • Communication: local-language outreach through community leaders, youth and local media, counter-narratives on social media, and quick rebuttal of rumours.
  • Political outreach: dialogue with elected local bodies, rehabilitation and surrender schemes for militants, and swift justice in local grievances.

Close with · A border is held by trust as much as by troops; as the Vibrant Villages Programme puts it, people who stay in border villages add to the security of the border.

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  • BADP guidelines (MHA, revised 2008, hosted by the Punjab Planning Department): the programme covers 362 border blocks in 96 border districts of 17 States, to meet the special developmental needs of people in remote and inaccessible areas near the international border.Ministry of Home Affairs, Border Area Development Programme: Revised Guidelines 2008 (hosted by Punjab Planning Department) ↗“The main objective of the BADP will be to meet the special developmental needs of the people living in remote and inaccessible areas situated near the international border and to bridge the divide in the physical and social infrastructure of such areas.”
  • PM India (15 February 2023): the Cabinet approved the Vibrant Villages Programme for 2022-23 to 2025-26 with Rs 4,800 crore, to encourage people to stay in border villages and reverse out-migration, adding to border security.PMINDIA: Cabinet approves Centrally Sponsored Scheme Vibrant Villages Programme, 15 February 2023 ↗“This will help in encouraging people to stay in their native locations in border areas and reversing the outmigration from these villages adding to improved security of the border.”

Question: UPSC's CS (Main) 2020, GS Paper III — paper ↗. Approach: Minimalist IAS, checked 3 Oct 2026 (how we verify) — UPSC publishes no model answers. ·

Model answer· 226words · Minimalist IAS

A fence can stop an infiltrator; it cannot stop a village from sheltering one. Militants live on local shelter, information, supplies and recruits, so the community matters as much as the line.

Steps required to deny local support to militants

  • Intelligence from below: village informant networks, community policing and quick response to tip-offs, shared across forces.
  • Cut the lifelines: curb smuggling, hawala and narcotics money; tighten the border with fencing, sensors and drones.
  • Pull recruits out: surrender and rehabilitation schemes that separate militants from the community.
  • Protect the refusers: swift action against those who shelter militants, protection for villagers who refuse.

The full answer goes on to cover

  1. Ways to manage a favourable perception among locals

With 1 diagram you can reproduce in the exam.

Read the full model answer (226 words) →

Prepared by Minimalist IAS to the answer standard of Shivam Singh (mentor, 7 years) · facts checked against official sources (how we verify) · updated 3 Oct 2026. UPSC publishes no model answers: compare your structure and coverage with this, then write your own.

GS Paper III 2020 · Q11

15 marks · 250 words Investment models

Explain the meaning of investment in an economy in terms of capital formation. Discuss the factors to be considered while designing a concession agreement between a public entity and a private entity.

Approach · directive: “explain / discuss”

What it asks · Explain investment as an addition to the capital stock and how it is measured, then list what a concession agreement must settle between the public authority and the private concessionaire.

It asks 2 things — answer each

  1. Explain the meaning of investment in an economy in terms of capital formation
  2. Discuss the factors to be considered while designing a concession agreement between a public entity and a private entity

Open with · In economics, investment means spending that adds to the stock of productive capital, not the purchase of shares or gold; national accounts measure it as gross capital formation, which fell 29% in the first half of 2020-21 (Economic Survey 2020-21).

Cover

  • Capital formation: gross fixed capital formation by government, firms and households plus the change in stocks; net of depreciation it is the true addition to capacity.
  • Financing and purpose: domestic savings and foreign inflows; investment raises capacity, jobs and growth; the National Infrastructure Pipeline targets Rs 111 lakh crore over 2020-25.
  • Risk allocation to the party best able to manage it; the Kelkar Committee (2015) found inequitable risk allocation a major cause of PPP failure.
  • Payment structure: user fee, annuity or the Hybrid Annuity Model (2016); measurable service standards with penalties and incentives; environmental and user safeguards.
  • Renegotiation rules with full disclosure, lenders' step-in rights, a PPP Project Review Committee and Adjudication Tribunal (Kelkar), competitive bidding and honest accounting of contingent liabilities.

Close with · Concessions that share risk fairly and tie private returns to the service actually delivered can turn the Rs 111 lakh crore National Infrastructure Pipeline into the productive capital stock that Viksit Bharat @2047 will rest on.

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Question: UPSC's CS (Main) 2020, GS Paper III — paper ↗. Approach: Minimalist IAS, checked 3 Oct 2026 (how we verify) — UPSC publishes no model answers. ·

Model answer· 377words · Minimalist IAS

In economics, investment means spending that adds to the stock of productive capital: plant, machinery, buildings, infrastructure and inventories. National accounts measure it as gross capital formation, and the 29% fall in gross fixed capital formation in the first half of 2020-21 (Economic Survey 2020-21) shows why reviving it, including through public-private concessions, matters.

Investment as capital formation

  • Gross fixed capital formation: new fixed assets created by government, firms and households; adding the change in stocks gives gross capital formation.
  • Net capital formation: gross capital formation minus depreciation, the true addition to productive capacity.
  • Financing: domestic savings plus foreign inflows; when savings fall short, external capital fills the gap.
  • Why it matters: investment raises capacity, jobs and growth; the capital-output ratio shows how much investment each unit of growth needs. The National Infrastructure Pipeline targets Rs 111 lakh crore over 2020-25.

The full answer goes on to cover

  1. Factors in designing a concession agreement

With 1 table you can reproduce in the exam.

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Prepared by Minimalist IAS to the answer standard of Shivam Singh (mentor, 7 years) · facts checked against official sources (how we verify) · updated 3 Oct 2026. UPSC publishes no model answers: compare your structure and coverage with this, then write your own.

GS Paper III 2020 · Q12

15 marks · 250 words Government budgeting X-Ray · Core #2

Explain the rationale behind the Goods and Services Tax (Compensation to States) Act of 2017. How has COVID-19 impacted the GST compensation fund and created new federal tensions?

Approach · directive: “explain / how”

What it asks · Explain why states were promised compensation when GST replaced their own taxes, and how the pandemic drained the fund and pitted the Centre against the states.

It asks 3 things — answer each

  1. Explain the rationale behind the GST (Compensation to States) Act, 2017
  2. Explain how COVID-19 hit the GST compensation fund
  3. Show the new federal tensions this created, and the way out

Open with · Section 18 of the Constitution (101st Amendment) Act, 2016 required Parliament to compensate States for revenue lost from GST for five years; the GST (Compensation to States) Act, 2017 gave it effect, and the pandemic turned this guarantee into a test of cooperative federalism.

Cover

  • Rationale: States surrendered their taxes and GST accrues to the consuming State; 14% growth over the 2015-16 base guaranteed for five years, funded by a compensation cess.
  • Price of consent: Article 279A gives the Centre one-third of the weighted vote and every Council decision needs a three-fourths majority.
  • COVID-19: the 2020-21 shortfall far exceeded the cess pool; only about Rs 97,000 crore of it was attributed to GST implementation (41st Council, August 2020).
  • Tensions: the 'Act of God' stand, two borrowing options, States' demand that the Centre borrow; resolved by special-window loans of Rs 1.10 and Rs 1.59 lakh crore, with the cess continued to repay them.
  • Way forward: rule-based revenue protection, buoyancy, and the dispute mechanism that Article 279A(11) requires the Council to establish.

Close with · A guarantee honoured in spirit, transparent cess accounts and a working dispute mechanism under Article 279A(11) will keep the GST Council the model of cooperative federalism it was designed to be.

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  • The Ministry of Finance states the guarantee in its own words: 14% annual growth over the 2015-16 base year, with any shortfall compensated.GST compensation to States for loss of revenue arising on account of implementation of GST for a period of five years, Ministry of Finance, PIB (19 July 2022) ↗“During transition period, the States’ revenues are protected at 14% growth rate per annum over the base year revenue (2015-16). Accordingly, the States are being compensated for any shortfall against their protected revenue.”
  • The Centre resolved the 2020-21 shortfall by borrowing Rs 1.10 lakh crore through a special window set up in October 2020, on behalf of the states, and passing it on as back-to-back loans.100 percent of the estimated GST compensation shortfall of Rs.1.10 Lakh crore released, Ministry of Finance, PIB (March 2021) ↗“The Government of India had set up a special borrowing window in October, 2020 to meet the estimated shortfall of Rs.1.10 Lakh crore in revenue arising on account of implementation of GST. The borrowings are being done through this window by the Government of India on behalf of the States and UTs.”
  • Section 18 of the Constitution (101st Amendment) Act, 2016 obliges Parliament to compensate States for GST revenue loss for five years from GST's implementation (Ministry of Finance, Parliament reply).PIB, Ministry of Finance: Payment of GST compensation to States in times of COVID-19 pandemic (Parliament reply) ↗“as per Section 18 of the Constitution (One Hundred and First Amendment) Act, 2016, Parliament shall, by law, on the recommendation of the Goods and Services Tax Council, provide for compensation to the States for loss of revenue arising on account of implementation of the goods and services tax for a period of five years from the date of implementation of GST.”
  • Article 279A(9): GST Council decisions need three-fourths of the weighted votes; the Centre's vote carries one-third weightage and all States together two-thirds.The Constitution of India (as on 1 May 2024), Article 279A(9) - Legislative Department ↗“Every decision of the Goods and Services Tax Council shall be taken at a meeting, by a majority of not less than three-fourths of the weighted votes of the members present and voting, in accordance with the following principles, namely:— (a) the vote of the Central Government shall have a weightage of one-third of the total votes cast”
  • Borrowing options after the 41st GST Council (August 2020): the shortfall attributed to GST implementation, about Rs 97,000 crore, to be borrowed under a Special Window coordinated by the Finance Ministry.PIB annexure, Ministry of Finance, August 2020: GST compensation options communicated to States after the 41st GST Council meeting ↗“The shortfall arising out of GST implementation (calculated at Rs. 97,000 crores approximately) will be borrowed by States through issue of debt under a Special Window coordinated by the Ministry of Finance.”
  • The same annexure: the compensation cess continues after the transition period until all arrears are paid, with interest and principal on the special-window borrowing as the first charges on it.PIB annexure, Ministry of Finance, August 2020: GST compensation options ↗“The Compensation Cess will be continued after the transition period until such time as all arrears of compensation for the transition period are paid to the States. The first charge on the Compensation Cess each year would be the interest payable; the second charge would be the principal repayment.”
  • The Centre borrowed and released Rs 1.1 lakh crore in 2020-21 and Rs 1.59 lakh crore in 2021-22 as back-to-back loans to States (Ministry of Finance, 31 May 2022).PIB, Ministry of Finance, 31 May 2022: Centre Clears Entire GST Compensation Due Till Date ↗“In order to meet the resource gap of the States due to short release of compensation, Centre has borrowed and released Rs.1.1 lakh crore in 2020-21 and Rs.1.59 lakh crore in 2021-22 as back-to-back loan to meet a part of the shortfall in cess collection.”

Question: UPSC's CS (Main) 2020, GS Paper III — paper ↗. Approach: Minimalist IAS, checked 3 Oct 2026 (how we verify) — UPSC publishes no model answers. ·

Model answer· 373words · Minimalist IAS

Section 18 of the Constitution (101st Amendment) Act, 2016 required Parliament to compensate States for revenue lost from GST for five years; the GST (Compensation to States) Act, 2017 gave it effect. The pandemic turned this fiscal guarantee into a test of cooperative federalism.

Rationale behind the Compensation Act

  • Loss of tax autonomy: States surrendered VAT, entry tax and other levies; GST accrues to the consuming State, so manufacturing States feared losses.
  • Assured growth path: every State's revenue is protected at 14% annual growth over its 2015-16 base for five years from July 2017.
  • Dedicated funding: a compensation cess on luxury and demerit goods flows into a Compensation Fund, independent of the Union budget.
  • Price of consent: the guarantee won States over in the GST Council (Article 279A), where the Centre holds one-third of the weighted vote and decisions need three-fourths.

The full answer goes on to cover

  1. How COVID-19 hit the compensation fund
  2. New federal tensions
  3. Way forward

With 1 timeline you can reproduce in the exam.

Read the full model answer (373 words) →

Prepared by Minimalist IAS to the answer standard of Shivam Singh (mentor, 7 years) · facts checked against official sources (how we verify) · updated 3 Oct 2026. UPSC publishes no model answers: compare your structure and coverage with this, then write your own.

GS Paper III 2020 · Q13

15 marks · 250 words Crops, irrigation & farm marketing X-Ray · Core #8

What are the major factors responsible for making rice-wheat system a success? In spite of this success how has this system become bane in India?

Approach · directive: “what / how”

What it asks · Explain why the rice-wheat system succeeded (technology, assured water, price and procurement support) and how it now harms water, soil, air and crop diversity.

It asks 2 things — answer each

  1. Explain the major factors that made the rice-wheat system a success
  2. Explain how the system has become a bane for India, and the way out

Open with · India's foodgrain output touched a record 296.65 million tonnes in 2019-20 (Economic Survey 2020-21), a harvest built on the rice-wheat system of Punjab, Haryana and western Uttar Pradesh; rice reached irrigated Punjab and Haryana only in the 1970s with the Green Revolution (NCERT), and the system now strains water, soil and air.

Cover

  • Success: HYV wheat (Mexico) and rice (Philippines) by the mid-1960s with fertilisers, pesticides and machines; assured canal and tubewell irrigation on alluvial soils (NCERT).
  • Success: assured MSP and open-ended FCI procurement, cheap power, fertiliser and credit, ICAR research and extension, and a kharif-rabi calendar that fits mechanised farming.
  • Bane, water: Punjab's stage of groundwater extraction 156.87% in 2024 (CGWB), far above the 100% over-exploitation mark.
  • Bane, soil, air and incentives: urea-skewed nutrients, salinity; stubble burning events 1,27,774 (2016) to 61,332 (2019) (Economic Survey 2020-21); Punjab's procurement levies 14.5% of MSP (Shanta Kumar Committee).
  • Way forward: Haryana's Mera Pani Meri Virasat (Rs 7,000 per acre to replace paddy), price support for pulses and oilseeds, direct-seeded rice, metered power, residue as resource.

Close with · Rewarding water saved and crops diversified, rather than grain alone, would turn the Green Revolution's granary into a model of sustainable intensification: more food from less water, land and emissions.

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Question: UPSC's CS (Main) 2020, GS Paper III — paper ↗. Approach: Minimalist IAS, checked 3 Oct 2026 (how we verify) — UPSC publishes no model answers. ·

Model answer· 368words · Minimalist IAS

India's foodgrain output touched a record 296.65 million tonnes in 2019-20 (Economic Survey 2020-21), a harvest built on the rice-wheat system of Punjab, Haryana and western Uttar Pradesh. Rice reached irrigated Punjab and Haryana only in the 1970s with the Green Revolution (NCERT); the system that fed the nation now strains its water, soil and air.

Factors that made the rice-wheat system a success

  • Package technology: high-yielding dwarf wheat (Mexico) and rice (Philippines), available by the mid-1960s, with fertilisers, pesticides and machines (NCERT).
  • Assured irrigation: canals and tubewells on fertile alluvial soils; HYVs need regular moisture, which is why the strategy worked in Punjab, Haryana and western UP.
  • Price and procurement: assured MSP and open-ended FCI purchase gave a guaranteed buyer for both crops.
  • Cheap inputs and extension: subsidised power, fertiliser and credit, with ICAR research and extension.

The full answer goes on to cover

  1. How the same system became a bane
  2. Way forward

With 1 table you can reproduce in the exam.

Read the full model answer (368 words) →

Prepared by Minimalist IAS to the answer standard of Shivam Singh (mentor, 7 years) · facts checked against official sources (how we verify) · updated 3 Oct 2026. UPSC publishes no model answers: compare your structure and coverage with this, then write your own.

GS Paper III 2020 · Q14

15 marks · 250 words Crops, irrigation & farm marketing X-Ray · Core #60

Suggest measures to improve water storage and irrigation system to make its judicious use under depleting scenario.

Approach · directive: “suggest”

What it asks · Suggest supply-side measures (storage, recharge) and demand-side measures (efficient irrigation, cropping choices, pricing, institutions) for a shrinking water supply.

It asks 2 things — answer each

  1. Suggest measures to improve water storage under a depleting scenario (supply side)
  2. Suggest measures to improve the irrigation system for judicious use of water (demand side)

Open with · NITI Aayog's Composite Water Management Index (2018) warned that nearly 600 million Indians face high to extreme water stress and that India ranks 120th of 122 countries on water quality; judicious use means storing more of the monsoon where it falls and drawing more crop from every drop.

Cover

  • Storage: desilt tanks and ponds, check dams, farm ponds and percolation tanks; Jal Shakti Abhiyan: Catch the Rain in every district.
  • Recharge: Atal Bhujal Yojana, Rs 6,000 crore, village water budgets in 80 water-stressed districts and 8,565 gram panchayats of seven States.
  • Big storage and reuse: finish pending projects and command-area works under PMKSY's AIBP; treated sewage for irrigation as AMRUT 2.0 aims; Mihir Shah Committee's National Water Commission.
  • Efficient irrigation: drip and sprinkler under Per Drop More Crop, the Rs 5,000 crore Micro Irrigation Fund with NABARD, laser levelling, canal lining.
  • Demand management: crops that follow water (millets, pulses, oilseeds with MSP), rational power tariffs, volumetric canal charges, water user associations, groundwater regulation, sensors and crop-water budgets.

Close with · Treating water as a shared, finite commons, stored locally, recharged by communities and priced for its value, is how India can meet SDG 6 (water and sanitation for all) while keeping its farms productive in a drier century.

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  • PMKSY, approved in July 2015, states its own aims: assured irrigation over more area, less wastage of water and better water use efficiency.Pradhan Mantri Krishi Sinchayee Yojana (PMKSY), backgrounder, PIB Research Unit (24 December 2021) ↗“It is being implemented to expand cultivated area with assured irrigation, reduce wastage of water and improve water use efficiency.”
  • NITI Aayog's Composite Water Management Index (June 2018): nearly 600 million people face high to extreme water stress; India ranks 120th of 122 countries on water quality (Ministry of Jal Shakti, Rajya Sabha reply, December 2019).PIB, Ministry of Jal Shakti, 9 December 2019: NITI Aayog Report on Water Crisis ↗“The report titled “Composite Water Management Index”, published by NITI Aayog in June 2018, mentions that India is undergoing the worst water crisis in its history and nearly 600 million people are facing high to extreme water stress. The report further mentions that India is placed at 120 th amongst 122 countries in the water quality index, with nearly 70% of water being contaminated.”
  • Atal Bhujal Yojana: a Rs 6,000 crore Central Sector Scheme for community-led groundwater management in 80 water-stressed districts and 8,565 gram panchayats of seven States.PIB, Ministry of Jal Shakti, March 2022: Ground Water Depletion (Parliament reply) ↗“is implementing Atal Bhujal Yojana (Atal Jal), a Rs.6,000 crore Central Sector Scheme, for sustainable management of ground water resources with community participation. Atal Jal is being implemented in 80 water stressed districts and 8,565 Gram Panchayats of seven States viz. Gujarat, Haryana, Karnataka, Madhya Pradesh, Maharashtra, Rajasthan and Uttar Pradesh.”
  • Mihir Shah Committee (2016): restructure and unify the CWC and CGWB into a National Water Commission for collective management of surface and ground water.PRS Legislative Research: Report Summary, Restructuring the Central Water Commission and the Central Ground Water Board (Chair: Mihir Shah), 2016 ↗“The Committee recommended that the CWC and CGWB should be restructured and unified to form a new National Water Commission (NWC). It reasoned that a unified body will help in the collective management of ground and surface water.”
  • Micro Irrigation Fund: a Rs 5,000 crore corpus with NABARD to help States expand micro-irrigation coverage.PMKSY portal, Ministry of Agriculture and Farmers Welfare: Micro Irrigation Fund ↗“Micro Irrigation Fund with corpus of Rs. 5000 crore has been created with NABARD to facilitate the States in mobilizing the resources for expanding coverage of Micro Irrigation by taking up special and innovative projects”
  • AMRUT 2.0 aims at water-secure cities through recycle and reuse of treated sewage; Jal Shakti Abhiyan: Catch the Rain 2022 was launched in all districts on 29 March 2022 with the theme 'Catch the Rain, where it falls, when it falls'.PIB, Ministry of Jal Shakti, April 2022: Averting Water Crisis (Parliament reply) ↗“AMRUT 2.0 focuses on making cities water secure through recycle/reuse of treated sewage, rejuvenation of water bodies and water conservation. Jal Shakti Abhiyan: Catch the Rain (JSA:CTR) - 2022 has been launched by Hon’ble President on 29.03.2022 in all districts (rural as well as urban areas) of the country with the main theme “Catch the Rain, where it falls, when it falls”.”

Question: UPSC's CS (Main) 2020, GS Paper III — paper ↗. Approach: Minimalist IAS, checked 3 Oct 2026 (how we verify) — UPSC publishes no model answers. ·

Model answer· 360words · Minimalist IAS

NITI Aayog's Composite Water Management Index (2018) warned that nearly 600 million Indians face high to extreme water stress and that India ranks 120th of 122 countries on water quality. With farms the largest users, judicious use means storing more of the monsoon where it falls and drawing more crop from every drop.

Measures to improve water storage

  • Revive local storage: desilt tanks and ponds, build check dams, farm ponds and percolation tanks through watershed works; Jal Shakti Abhiyan: Catch the Rain (2022) runs in every district on the theme 'catch the rain, where it falls, when it falls'.
  • Recharge aquifers: managed aquifer recharge and village water budgets under Atal Bhujal Yojana, a Rs 6,000 crore scheme in 80 water-stressed districts and 8,565 gram panchayats of seven States.
  • Use big storage fully: finish pending projects and command-area works under PMKSY's AIBP so that created capacity is actually used; desilt reservoirs; run dams for multiple uses.
  • Reuse: treated sewage for peri-urban irrigation, as AMRUT 2.0 aims through recycle and reuse of treated water.
  • One water, one institution: the Mihir Shah Committee (2016), per PRS India's summary, proposed merging the CWC and CGWB into a National Water Commission to manage surface and groundwater together.

The full answer goes on to cover

  1. Measures for a judicious irrigation system

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Prepared by Minimalist IAS to the answer standard of Shivam Singh (mentor, 7 years) · facts checked against official sources (how we verify) · updated 3 Oct 2026. UPSC publishes no model answers: compare your structure and coverage with this, then write your own.

GS Paper III 2020 · Q15

15 marks · 250 words Science & technology in everyday life X-Ray · Core #26

COVID-19 pandemic has caused unprecedented devastation worldwide. However, technological advancements are being availed readily to win over the crisis. Give an account of how technology was sought to aid management of the pandemic.

Approach · directive: “give an account”

What it asks · Give an account of the technologies used against COVID-19: testing and sequencing, tracing, treatment and vaccines, telemedicine, logistics, and continuity of work, learning and welfare.

Open with · Within a year of the March 2020 lockdown, India had a genome-sequencing consortium, a contact-tracing app with nearly 200 million users and a vaccination platform that went on to record over 220 crore doses; technology was pressed into every stage of managing the pandemic.

Cover

  • Detection: RT-PCR and antigen kits, pooled testing, AI-read chest images; INSACOG set up on 30 December 2020 with 10 laboratories (later 28) to track variants.
  • Tracing and treatment: Aarogya Setu with nearly 200 million users, GIS containment maps, drones; eSanjeevani served over half a crore patients during the pandemic.
  • Vaccines: mRNA, vector and inactivated platforms in under a year; CoWIN handled registration, slots and certificates for 220 crore doses and was offered as open source.
  • Continuity and welfare: video conferencing, DIKSHA and SWAYAM, digital payments; PM Garib Kalyan Package's Rs 500 a month to 20 crore women Jan Dhan account holders; Lifeline UDAN and drones for supplies.
  • Limits: the digital divide, privacy concerns over tracing apps, misinformation, dependence on imported inputs.

Close with · Technology worked where public-health capacity, privacy safeguards and equal access backed it; pairing India's digital public infrastructure with last-mile health systems is how the next emergency is met and SDG 3 (health and well-being for all) advanced.

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Question: UPSC's CS (Main) 2020, GS Paper III — paper ↗. Approach: Minimalist IAS, checked 3 Oct 2026 (how we verify) — UPSC publishes no model answers. ·

Model answer· 351words · Minimalist IAS

Within a year of the March 2020 lockdown, India had a genome-sequencing consortium, a contact-tracing app with nearly 200 million users and a vaccination platform that went on to record over 220 crore doses by 2023. Technology was pressed into every stage of managing the pandemic, from detection to relief.

Detecting and tracking the virus

  • Testing: RT-PCR and rapid antigen kits, pooled testing and AI-aided reading of chest images scaled up diagnosis.
  • Genomic surveillance: INSACOG, set up on 30 December 2020 with 10 laboratories (later 28), tracked variants such as Delta.
  • Contact tracing: Aarogya Setu, with nearly 200 million users by July 2021, plus GIS maps of containment zones, thermal screening and drones for surveillance.

The full answer goes on to cover

  1. Treating patients and protecting staff
  2. Vaccinating a billion people
  3. Keeping life, learning and welfare going
  4. Limits

With 1 diagram you can reproduce in the exam.

Read the full model answer (351 words) →

Prepared by Minimalist IAS to the answer standard of Shivam Singh (mentor, 7 years) · facts checked against official sources (how we verify) · updated 3 Oct 2026. UPSC publishes no model answers: compare your structure and coverage with this, then write your own.

GS Paper III 2020 · Q16

15 marks · 250 words Infrastructure X-Ray · Core #14

Describe the benefits of deriving electric energy from sunlight in contrast to the conventional energy generation. What are the initiatives offered by our Government for this purpose?

Approach · directive: “describe / what”

What it asks · Set out the benefits of solar power over coal, oil and gas generation, then list the government's initiatives to promote it.

It asks 2 things — answer each

  1. Describe the benefits of generating electricity from sunlight in contrast to conventional generation
  2. State the initiatives of the Government of India to promote solar power

Open with · Solar power turns sunlight into electricity through photovoltaic cells or solar-thermal plants; India's installed solar capacity has grown from about 3 GW in 2014 to 129 GW in 2025 (PIB), the fastest-growing source in a grid long dominated by coal.

Cover

  • Benefits: no fuel burnt, so no greenhouse gases or ash; little water; cuts imports; tariffs competitive with new coal; quick to build; decentralised rooftop and off-grid supply.
  • Caveats: intermittency needs storage and grid balancing; land, upfront cost, imported cells and panel waste.
  • National Solar Mission (2010): 100 GW by 2022 target; 55 solar parks of 40 GW sanctioned across 13 States by October 2025.
  • PM-KUSUM (2019): over 9 lakh standalone solar pumps; PM Surya Ghar (2024): rooftop solar for one crore households, 300 free units, Rs 75,021 crore; PLI for modules, Rs 24,000 crore.
  • Market and global: SECI auctions, renewable purchase obligations, inter-State transmission waiver; International Solar Alliance (2015); Panchamrit pledge of 500 GW non-fossil capacity by 2030.

Close with · With storage, grid integration and domestic manufacturing, solar can carry India from 129 GW to the Panchamrit target of 500 GW non-fossil capacity by 2030 and on towards net zero, uniting energy security with climate leadership.

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  • A PIB factsheet records the National Solar Mission's target: 100 GW of grid-connected solar power by 2022.Union Budget 2022-2023: India Embarks on a Solar Journey, PIB Research Unit factsheet (March 2022) ↗“The Mission targets installing 100 GW grid-connected solar power plants by the year 2022.”
  • PIB backgrounder (December 2025): India's solar capacity rose from 3 GW in 2014 to 129 GW in 2025; non-fossil power crossed 50% of installed capacity.PIB backgrounder, 6 December 2025: India's Solar Momentum ↗“India’s solar capacity surged to 129 GW in 2025, up from 3 GW in 2014. • Non-fossil power crosses 50% of India’s 500 GW capacity.”
  • The same backgrounder: PM-KUSUM has enabled close to 9.2 lakh standalone solar pumps; 55 solar parks with 40 GW sanctioned capacity approved across 13 States (31 October 2025).PIB backgrounder, 6 December 2025: India's Solar Momentum ↗“PM-KUSUM facilitated close to 9.2 lakh standalone solar pumps under component B, boosting clean energy use in agriculture. • As of 31st October 2025, 55 solar parks with a combined sanctioned capacity of 40 GW approved across 13 Indian states.”
  • PM Surya Ghar Muft Bijli Yojana, launched 13 February 2024: rooftop solar for one crore households, up to 300 free units a month, outlay Rs 75,021 crore.PIB backgrounder, 6 December 2025: India's Solar Momentum ↗“Launched on 13 February 2024 with a Cabinet approval, the scheme has a total outlay of ₹ 75,021 crore. Its aim is to provide rooftop solar systems to one crore households, providing up to 300 units of free electricity every month.”
  • PLI Scheme under the National Programme on High Efficiency Solar PV Modules: outlay Rs 24,000 crore to build GW-scale domestic module manufacturing.PIB backgrounder, 6 December 2025: India's Solar Momentum ↗“implementing the Production Linked Incentive (PLI) Scheme under the National Programme on High Efficiency Solar PV Modules to achieve Giga Watt (GW)-scale manufacturing capacity in high-efficiency solar PV modules, with a total outlay of ₹ 24,000 crore, to promote domestic manufacturing of high-efficiency solar PV modules and reduce import dependence.”
  • Panchamrit (COP26, Glasgow, November 2021): 500 GW non-fossil energy capacity by 2030 and 50% of energy requirements from renewables by 2030.PIB, Prime Minister's Office, 1 November 2021: National Statement by Prime Minister at COP26 Summit in Glasgow ↗“First - India will reach its non-fossil energy capacity to 500 GW by 2030. Second - India will meet 50 percent of its energy requirements from renewable energy by 2030.”

Question: UPSC's CS (Main) 2020, GS Paper III — paper ↗. Approach: Minimalist IAS, checked 3 Oct 2026 (how we verify) — UPSC publishes no model answers. ·

Model answer· 345words · Minimalist IAS

Solar power turns sunlight into electricity through photovoltaic cells or solar-thermal plants. India's installed solar capacity has grown from about 3 GW in 2014 to 129 GW in 2025 (PIB), the fastest-growing source in a grid long dominated by coal.

Benefits in contrast to conventional generation

AspectCoal, oil and gasSolar
FuelMined or imported, finiteSunlight, free, inexhaustible
EmissionsCO2, SO2, fly ashNone in operation
Water and sitingWater-intensive, centralisedLittle water, rooftop to park
  • Clean: no combustion, so no greenhouse gases or ash while generating; central to the Panchamrit pledge (COP26, 2021) of 500 GW non-fossil capacity by 2030.
  • Secure: cuts coal, oil and gas imports and draws on a resource available across most of the country.
  • Cheap and quick: tariffs have fallen steeply to compete with new coal power, and plants come up in months, not years.
  • Decentralised: rooftop and off-grid systems reach remote villages, cut transmission losses and make farmers and households producers.
  • Caveats: intermittency needs storage and grid balancing; land, upfront cost, imported cells and panel waste remain concerns.

The full answer goes on to cover

  1. Government initiatives

Read the full model answer (345 words) →

Prepared by Minimalist IAS to the answer standard of Shivam Singh (mentor, 7 years) · facts checked against official sources (how we verify) · updated 3 Oct 2026. UPSC publishes no model answers: compare your structure and coverage with this, then write your own.

GS Paper III 2020 · Q17

15 marks · 250 words Conservation, pollution & EIA X-Ray · Core #29

What are the key features of the National Clean Air Programme (NCAP) initiated by the Government of India?

Approach · directive: “what”

What it asks · State NCAP's objective, target, coverage, tools and institutional design, and note its limits.

Open with · Launched by the Ministry of Environment, Forest and Climate Change on 10 January 2019, the National Clean Air Programme (NCAP) is India's first national, time-bound strategy against air pollution, built on city action plans rather than a single law.

Cover

  • Targets: a tentative 20-30% cut in PM2.5 and PM10 by 2024 over 2017, revised to up to 40% reduction in PM10, or the 60 µg/m³ standard, by 2025-26, with city targets of 4-15%.
  • Coverage: 131 non-attainment and million-plus cities, each with a city action plan covering vehicles, dust, industry, biomass and waste burning and household fuels.
  • Approach and tools: collaborative, multi-scale and cross-sectoral, dovetailed with the NAPCC; 1,340 monitoring stations, source apportionment, Swachh Vayu Survekshan ranking.
  • Funding: Rs 19,614 crore earmarked for 2019-20 to 2025-26; 49 million-plus cities funded by the 15th Finance Commission air-quality grant, 82 by MoEFCC; Rs 11,211 crore released.
  • Institutions and limits: Apex Committee, State and city committees; no statutory backing, particulates alone, weak city capacity; 95 of 131 cities improved PM10 by 2023-24, 18 met the standard.

Close with · Tying funds to measured results, giving city plans legal teeth and planning by airshed across State lines would let NCAP deliver the cleaner city air that SDG 11 (sustainable cities) demands.

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Question: UPSC's CS (Main) 2020, GS Paper III — paper ↗. Approach: Minimalist IAS, checked 3 Oct 2026 (how we verify) — UPSC publishes no model answers. ·

Model answer· 352words · Minimalist IAS

Launched by the Ministry of Environment, Forest and Climate Change on 10 January 2019, the National Clean Air Programme (NCAP) is India's first national, time-bound strategy against air pollution, built on city action plans rather than a single law.

Objective and targets

  • Original goal: a tentative 20-30% cut in PM2.5 and PM10 by 2024 over a 2017 base.
  • Revised goal: up to a 40% reduction in PM10, or meeting the national standard of 60 µg/m³, by 2025-26, with city-specific annual targets of 4-15%.

The full answer goes on to cover

  1. Coverage: 131 cities with action plans
  2. Approach: collaborative and cross-sectoral
  3. Tools and funding
  4. Institutions
  5. Limits and early results

With 1 diagram you can reproduce in the exam.

Read the full model answer (352 words) →

Prepared by Minimalist IAS to the answer standard of Shivam Singh (mentor, 7 years) · facts checked against official sources (how we verify) · updated 3 Oct 2026. UPSC publishes no model answers: compare your structure and coverage with this, then write your own.

GS Paper III 2020 · Q18

15 marks · 250 words Disaster management

Discuss the recent measures initiated in disaster management by the Government of India departing from the earlier reactive approach.

Approach · directive: “discuss”

What it asks · Show how India has moved from relief-centred response to prevention, mitigation and preparedness, with recent measures.

It asks 2 things — answer each

  1. Establish the shift: from a relief-centred, reactive approach to risk reduction across the disaster cycle
  2. Discuss the recent measures that embody the shift: planning, agenda, early warning, resilient infrastructure, funding and community capacity, and the gaps that remain

Open with · The 1999 Odisha super cyclone killed about 10,000 people; Cyclone Fani in 2019, by the Home Minister's account to Parliament, one. That contrast captures India's shift from relief after the event to managing risk before it, which the Disaster Management Act, 2005 began and recent measures have deepened.

Cover

  • Shift: the 2005 Act created the NDMA, SDMAs and DDMAs and the full cycle of prevention, mitigation, preparedness, response and recovery; the NDMP (2016, revised 2019) is aligned with the Sendai Framework.
  • Ten-Point Agenda (2016): risk reduction in every development sector, risk cover for all, women's leadership, risk mapping, technology.
  • Early warning: IMD, INCOIS and CWC forecasts pushed through a Common Alerting Protocol-based alert system covering all 36 States and UTs; CDRI launched by India in 2019; National Cyclone Risk Mitigation Project.
  • Funding: the 15th Finance Commission earmarked 20% of disaster grants for national and State mitigation funds and 80% for response, within Rs 1,60,153 crore for States over 2021-26.
  • Community: Aapda Mitra's 1,00,000 trained volunteers in 350 districts, NDRF drills, school and hospital safety; gaps in local capacity, building-code enforcement and risk data.

Close with · Measuring success in lives not lost per event, and funding prevention as generously as relief, is how India meets the Sendai Framework's 2030 goals and makes 'zero casualty' the norm rather than the exception.

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Question: UPSC's CS (Main) 2020, GS Paper III — paper ↗. Approach: Minimalist IAS, checked 3 Oct 2026 (how we verify) — UPSC publishes no model answers. ·

Model answer· 348words · Minimalist IAS

The 1999 Odisha super cyclone killed about 10,000 people; Cyclone Fani in 2019, by the Home Minister's account to Parliament, one. That contrast captures India's shift from relief after the event to managing risk before it, which the Disaster Management Act, 2005 began and recent measures have deepened.

From a reactive to a risk-reduction approach

  • Legal spine: the 2005 Act created the NDMA, SDMAs and DDMAs and defined the full cycle of prevention, mitigation, preparedness, response and recovery.
  • Global alignment: the National Disaster Management Plan (2016, revised 2019) is aligned with the Sendai Framework and seeks coherence with the SDGs and the Paris Agreement.
2005DM Act2016NDMP and PM'sTen-Point Agenda2019CDRI launched2021-2615th FC mitigationfunds
  1. 2005: DM Act
  2. 2016: NDMP and PM's Ten-Point Agenda
  3. 2019: CDRI launched
  4. 2021-26: 15th FC mitigation funds

The full answer goes on to cover

  1. Recent measures that embody the shift
  2. Gaps that remain

Read the full model answer (348 words) →

Prepared by Minimalist IAS to the answer standard of Shivam Singh (mentor, 7 years) · facts checked against official sources (how we verify) · updated 3 Oct 2026. UPSC publishes no model answers: compare your structure and coverage with this, then write your own.

GS Paper III 2020 · Q19

15 marks · 250 words Development & extremism

What are the determinants of left-wing extremism in Eastern part of India? What strategy should Government of India, civil administration and security forces adopt to counter the threat in the affected areas?

Approach · directive: “what / what strategy”

What it asks · Explain why left-wing extremism persists in eastern India (land, forest and livelihood grievances, governance gaps, terrain) and set out a coordinated strategy for the Centre, the civil administration and the forces.

It asks 2 things — answer each

  1. Explain the determinants of left-wing extremism in eastern India
  2. Set out the strategy that the Government of India, the civil administration and the security forces should adopt in the affected areas

Open with · Left-wing extremism (LWE) incidents, 1,936 at their 2010 peak, have since fallen to 374 in 2024 and affected districts from 126 to 38 (MHA); yet its core endures in the forested, mineral-rich tribal belt of Chhattisgarh, Jharkhand, Odisha, Bihar and West Bengal, where the State arrived late and grievances found an armed outlet.

Cover

  • Determinants: land and forest alienation, displacement without rehabilitation, weak PESA 1996 and FRA 2006 enforcement; poverty and missing services; governance vacuum; forest terrain and extortion money.
  • CPI (Maoist), formed in 2004 by merging the People's War and the MCCI, is the main outfit, banned under UAPA (MHA).
  • Government of India: SAMADHAN (2017), SRE and Special Infrastructure schemes, Special Central Assistance of Rs 30 crore per most-affected district; 17,589 km roads sanctioned, 10,505 mobile towers planned (PIB 2025).
  • Civil administration: FRA titles, PESA gram sabhas, fair rehabilitation; 178 Eklavya schools, 48 ITIs and 61 skill centres already functioning; grievance redress.
  • Security forces: joint CAPF-State police operations, intelligence, fortified police stations, surrender and rehabilitation, strict respect for rights; goal of an LWE-free India by 31 March 2026.

Close with · Security creates the space; land and forest rights, roads, schools and responsive panchayats fill it, the path to the Government's declared goal of an LWE-free India by 31 March 2026.

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  • MHA (PIB backgrounder, May 2025): LWE incidents fell from 1,936 in 2010 to 374 in 2024; most-affected districts get Rs 30 crore and districts of concern Rs 10 crore under Special Central Assistance.PIB backgrounder, Ministry of Home Affairs, May 2025: Left Wing Extremism ↗“given financial assistance of Rs. 30 crore and Rs. 10 crore, respectively, by the Government of India under a special scheme, Special Central Assistance (SCA), to fill the gaps in public infrastructure. Apart from this, special projects are also provided for these districts as per the need. Incidents of violence by LWE which reached its highest level of 1936 in 2010 have reduced to 374 in 2024”
  • The same backgrounder: LWE-affected districts fell from 126 to 38 (April 2024); the six most-affected are Bijapur, Kanker, Narayanpur, Sukma, West Singhbhum and Gadchiroli; the Government aims to eliminate Naxalism by 31 March 2026.PIB backgrounder, Ministry of Home Affairs, May 2025: Left Wing Extremism ↗“The government of India is committed to completely eliminate Naxalism by 31st March 2026, since Naxalism is seen as the biggest obstacle in the development of remote areas and tribal villages, as it prevents education, healthcare, connectivity, banking, and postal services from reaching these villages. The number of LWE affected districts reduced from 126 to 90 in April 2018, 70 in July 2021 and further to 38 in April-2024.”
  • The same backgrounder: 17,589 km of roads sanctioned under the two LWE road schemes, 14,618 km built; 10,505 mobile towers planned (7,768 commissioned).PIB backgrounder, Ministry of Home Affairs, May 2025: Left Wing Extremism ↗“17,589 km of roads have been sanctioned under these two schemes. Of these, 14,618 km have been constructed. • Telecom Connectivity: 3 telecom projects, namely, Mobile Connectivity Project Phase-I & Phase-II, Provision of 4G mobile services in uncovered villages of Aspirational Districts and Saturation of 4G mobile services, are being implemented in LWE affected areas to improve telecom connectivity. A total of 10,505 mobile towers have been planned”
  • The same backgrounder: 48 ITIs, 61 Skill Development Centres and 178 Eklavya Model Residential Schools are functional in LWE-affected districts.PIB backgrounder, Ministry of Home Affairs, May 2025: Left Wing Extremism ↗“For Skill development 48 Industrial Training Institutes (ITIs) and 61 Skill Development Centres (SDCs) have been made functional in LWE affected districts. For quality education in tribal blocks of LWE affected districts 178 Eklavya Model Residential Schools (EMRSs) have been made functional in LWE affected districts.”
  • MHA: in 2004 the People's War (Andhra Pradesh) and the Maoist Communist Centre of India (Bihar) merged to form the CPI (Maoist), the main LWE outfit, banned under the UAPA, 1967.Ministry of Home Affairs: Left Wing Extremism Division (Background) ↗“In a significant development in 2004, the People’s War (PW), then operating in Andhra Pradesh, and the Maoist Communist Centre of India (MCCI), then operating in Bihar and adjoining areas, merged to form the CPI (Maoist) Party. The CPI (Maoist) Party, is the major Left Wing Extremist outfit responsible for a majority of incidents of violence and killing of civilians and security forces”

Question: UPSC's CS (Main) 2020, GS Paper III — paper ↗. Approach: Minimalist IAS, checked 3 Oct 2026 (how we verify) — UPSC publishes no model answers. ·

Model answer· 377words · Minimalist IAS

Left-wing extremism (LWE) incidents, 1,936 at their 2010 peak, have since fallen to 374 in 2024 and affected districts from 126 to 38 (MHA, May 2025). Yet its core endures in the forested, mineral-rich tribal belt of Chhattisgarh, Jharkhand, Odisha, Bihar and West Bengal, where the State arrived late and grievances found an armed outlet.

Determinants in eastern India

  • Land and forest alienation: displacement by mines, dams and industry with poor rehabilitation, tribal land lost to outsiders, and weak enforcement of PESA, 1996 and the Forest Rights Act, 2006.
  • Development deficit: poverty, thin schools, health care, roads and telecom, jobless youth, and exploitation by contractors and moneylenders.
  • Governance vacuum: absent or corrupt local administration and weak policing let the CPI (Maoist), formed in 2004 by merging the People's War and the MCCI, pose as a parallel authority.
  • Terrain and money: dense forest and hills straddling State borders give cover; extortion from mines and contractors funds the insurgency.

✏️ Map to sketch in the exam · Left-wing extremism in eastern India

  • Shade: Chhattisgarh, Jharkhand, Odisha, Bihar, West Bengal = LWE-affected eastern states
  • districts: Bijapur (Chhattisgarh), Kanker (Chhattisgarh), Narayanpur (Chhattisgarh), Sukma (Chhattisgarh), West Singhbhum (Jharkhand), Gadchiroli (Maharashtra) = most-affected districts (MHA 2025)

Draw on India's official outline (Survey of India boundary).

The full answer goes on to cover

  1. Strategy for the Government of India
  2. Strategy for the civil administration
  3. Strategy for the security forces

Read the full model answer (377 words) →

Prepared by Minimalist IAS to the answer standard of Shivam Singh (mentor, 7 years) · facts checked against official sources (how we verify) · updated 3 Oct 2026. UPSC publishes no model answers: compare your structure and coverage with this, then write your own.

GS Paper III 2020 · Q20

15 marks · 250 words Border management & organised crime

Analyze internal security threats and transborder crimes along Myanmar, Bangladesh and Pakistan borders including Line of Control (LoC). Also discuss the role played by various security forces in this regard.

Approach · directive: “analyse / discuss”

What it asks · Analyse the threats and crimes border by border (Pakistan and the LoC, Bangladesh, Myanmar), then explain which forces guard which frontier and how they cooperate.

It asks 2 things — answer each

  1. Analyse the internal security threats and transborder crimes along the Pakistan border and the LoC, the Bangladesh border and the Myanmar border
  2. Discuss the role played by the various security forces on these borders, and the way forward

Open with · India guards 3,323 km with Pakistan, including the Line of Control, 4,096.7 km with Bangladesh and 1,643 km with Myanmar (MHA); each frontier breeds its own mix of threats and crimes, and each is held under the principle of 'One Border, One Border Guarding Force'.

Cover

  • Pakistan and LoC: infiltration under cover of ceasefire violations; heroin, arms and fake currency through tunnels and drones; hawala financing terror.
  • Bangladesh: illegal migration, cattle, gold and drug smuggling, trafficking, fake currency across riverine, unfenced stretches.
  • Myanmar: insurgent sanctuaries (563 insurgents apprehended, 47 killed in 2015-18), Golden Triangle drugs, misuse of the 16-km Free Movement Regime, which MHA decided to scrap in February 2024.
  • Forces: BSF on the Pakistan and Bangladesh borders, Assam Rifles on Myanmar's, Army on the LoC; patrols, nakas, fencing, floodlighting, floating BOPs, CIBMS; IB, NIA, NCB, customs, State police; DGMO hotlines, flag meetings, ICPs.
  • Way forward: technology for unfenced and riverine gaps, anti-drone systems, manpower, clear command, Border Area Development Programme.

Close with · Borders are secured not by fences and forces alone but by the goodwill of the people who live on them: development, legal trade through integrated check posts and cooperation with neighbours turn a frontier from a vulnerability into a bridge.

Add value (verified)

  • MHA: India's border with Bangladesh is 4,096.70 km (West Bengal, Assam, Meghalaya, Tripura, Mizoram) and with Pakistan 3,323 km (Gujarat, Rajasthan, Punjab, J&K, Ladakh).Ministry of Home Affairs: Border Management-I Division ↗“(i) Bangladesh - 4096.70 kms running along West Bengal, Assam, Meghalaya, Tripura and Mizoram. (ii) Pakistan - 3323 kms running along Gujarat, Rajasthan, Punjab, Union Territory of Jammu & Kashmir and Union Territory of Ladakh.”
  • MHA: the Myanmar border is 1,643 km, along Arunachal Pradesh, Nagaland, Manipur and Mizoram.Ministry of Home Affairs: Border Management-I Division ↗“(vi) Myanmar - 1643 kms running along Arunachal Pradesh, Nagaland, Manipur and Mizoram.”
  • MHA Annual Report 2023-24: deployment follows 'One Border, One Border Guarding Force'; the BSF holds the Bangladesh and Pakistan borders.Ministry of Home Affairs, Annual Report 2023-24, Chapter 3: Border Management ↗“3.5 Deployment of forces along the borders is based on the principle of One ' Border, One Border Guarding Force (OBOBGF)'. Accordingly, domination of each border has been entrusted to a particular Border Guarding Force (BGF) as under: - 28 Name of Border Name of BGF India-Bangladesh and India-Pakistan Borders Border Security Force (BSF)”
  • MHA (Lok Sabha, January 2019): the Myanmar border is open with a 16-km Free Movement Regime; 563 insurgents apprehended and 47 killed there in 2015-18; Assam Rifles deployed; Pakistan and Bangladesh borders fenced where feasible, with riverine gaps covered by technology and floating BOPs.PIB, Ministry of Home Affairs, 8 January 2019: Infiltration of Terrorists (Lok Sabha reply) ↗“Indo-Myanmar border is an open border with free movement regime (FMR) within 16 kms on both sides of the border. 563 insurgents have been apprehended and 47 insurgents have been killed along the Indo-Myanmar Border during the years 2015 to 2018. Assam Rifles (AR) has been deployed along this border to monitor and check infiltration across the border.”
  • MHA decided on 8 February 2024 to scrap the Free Movement Regime with Myanmar for internal security and to maintain the demographic structure of the North Eastern States.PIB, Ministry of Home Affairs, 8 February 2024: MHA decides to scrap Free Movement Regime (FMR) between India and Myanmar ↗“Ministry of Home Affairs (MHA) has decided to scrap the Free Movement Regime (FMR) between India and Myanmar to ensure the internal security of the country and to maintain the demographic structure of India’s North Eastern States bordering Myanmar.”

Question: UPSC's CS (Main) 2020, GS Paper III — paper ↗. Approach: Minimalist IAS, checked 3 Oct 2026 (how we verify) — UPSC publishes no model answers. ·

Model answer· 373words · Minimalist IAS

India guards 3,323 km with Pakistan, including the Line of Control, 4,096.7 km with Bangladesh and 1,643 km with Myanmar (MHA). Each frontier breeds its own mix of threats and crimes, and each is held under the principle of 'One Border, One Border Guarding Force'.

Pakistan border and the LoC: terror and narcotics

  • Infiltration under fire: terrorists cross the LoC under cover of ceasefire violations that keep the Army's counter-infiltration grid under pressure.
  • Narco-terror economy: heroin, arms and fake currency moved through tunnels and dropped by drones over the Punjab border; hawala launders the proceeds.

The full answer goes on to cover

  1. Bangladesh border: migration and smuggling
  2. Myanmar border: insurgency and drugs
  3. Role of the security forces
  4. Way forward

With 1 map you can reproduce in the exam.

Read the full model answer (373 words) →

Prepared by Minimalist IAS to the answer standard of Shivam Singh (mentor, 7 years) · facts checked against official sources (how we verify) · updated 3 Oct 2026. UPSC publishes no model answers: compare your structure and coverage with this, then write your own.

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