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2023 GS Paper I

UPSC CSE (Main) 2023 · GS Paper I · Question 7

Why is the South-West Monsoon called 'Purvaiya' (easterly) in Bhojpur Region? How has this directional…

UPSC Civil Services (Main) Examination 2023, General Studies Paper I (GS 1), Question 7 — 10 marks, 150 words.

Syllabus line: World physical geography — “Salient features of world’s physical geography.”

GS Paper I 2023 · Q7

10 marks · 150 words World physical geography X-Ray · Core #13

Why is the South-West Monsoon called 'Purvaiya' (easterly) in Bhojpur Region? How has this directional seasonal wind system influenced the cultural ethos of the region?

Approach · directive: “why / how”

What it asks · Explain the meteorology (why the monsoon arrives from the east in the middle Ganga plain) and then how this rain-bearing wind entered the songs, farming rhythms and emotional life of Bhojpuri-speaking people.

It asks 2 things — answer each

  1. Explain: why the south-west monsoon reaches the Bhojpur region from the east as Purvaiya
  2. Explain: how this seasonal wind shaped the region's cultural ethos: farming, folk song, migration and theatre

Open with · In the middle Ganga plain the rain-bearing monsoon blows from the east, so Bhojpuri speech calls it Purvaiya, the easterly; the name is geography, its songs are culture.

Cover

  • Deflection: the Arakan Hills turn the Bay of Bengal branch so it enters West Bengal from the south and south-east (NCERT).
  • Channelling: the Himalaya and the north-west thermal low send one arm westward along the Ganga plain.
  • Contrast: the local westerly is the dry summer loo, so only the easterly means rain.
  • Farming calendar: Purvaiya signals paddy sowing and transplanting.
  • Folk song: Kajri, sung by peasant women in the rains for a good harvest; Jhoola greets the monsoon (NCERT).
  • Migration and theatre: indenture from eastern UP and Bihar; Bidesiya, popularised by Bhikhari Thakur; chutney music in Trinidad and Guyana.

Close with · Purvaiya shows how climate becomes culture: the wind that decides the paddy crop also carries songs of rain and longing to Mauritius and the Caribbean.

Add value (verified)

  • NCERT: Kajri songs are sung by peasant women in the rainy season, invoking Indra and Agni for a good harvest.India – Unity in Cultural Diversity — NCERT publication ↗“Kajri These songs are sung by peasant women during rainy season to propitiate the Vedic deities, Indra and Agni, asking for their blessings for a successful harvest.”
  • NCERT: Bidesiya ('from the foreign land') is a Bhojpuri folk theatre of western Bihar, popularised by Bhikhari Thakur.India – Unity in Cultural Diversity — NCERT publication ↗“it acquired widespread popularity and recognition owing to the talent and charisma of the legendary writer-actor Bhikhari”
  • UNESCO: between 1834 and 1920 almost half a million indentured labourers from India arrived at Aapravasi Ghat, Mauritius.Aapravasi Ghat — UNESCO World Heritage Centre ↗“Between 1834 and 1920, almost half a million indentured labourers arrived from India at Aapravasi Ghat to work in the sugar plantations of Mauritius”

Question: UPSC's CS (Main) 2023, GS Paper I — paper ↗. Approach: Minimalist IAS, checked 16 Oct 2026 (how we verify) — UPSC publishes no model answers. ·

Model answer· 224words · Minimalist IAS

In the middle Ganga plain the rain-bearing monsoon blows from the east, so Bhojpuri speech calls it Purvaiya, the easterly. The name is geography; its songs are culture.

Why the south-west monsoon is 'Purvaiya'

Bay of Bengal branchArakan Hills turn it northHimalaya and NW low turn it westUp the Ganga plainEasterly at Bhojpur
  1. Bay of Bengal branch
  2. Arakan Hills turn it north
  3. Himalaya and NW low turn it west
  4. Up the Ganga plain
  5. Easterly at Bhojpur
  • Deflection: the Arakan Hills turn the Bay of Bengal branch into West Bengal from the south and south-east.
  • Channelling: the Himalaya and the north-west thermal low send one arm westward along the Ganga plain.
  • Local contrast: the local westerly is the dry summer loo, so only the easterly means rain.

Influence on the cultural ethos

  • Farming calendar: Purvaiya signals paddy sowing and transplanting, setting the farm calendar.
  • Folk song: Kajri is sung by peasant women in the rains, invoking Indra and Agni for a good harvest; Jhoola songs greet the monsoon.
  • Migration: eastern Uttar Pradesh and Bihar supplied most indentured workers; almost half a million Indians reached Mauritius's Aapravasi Ghat in 1834–1920.
  • Theatre of separation: Bidesiya, 'from the foreign land', popularised by Bhikhari Thakur, voices the wife left behind.
  • Diaspora echo: chutney music of Trinidad and Guyana carries this post-indenture song culture.

Purvaiya shows how climate becomes culture: the wind that decides the paddy crop also carries songs of rain and longing to Mauritius and the Caribbean.

Prepared by Minimalist IAS to the answer standard of Shivam Singh (mentor, 7 years) · facts checked against official sources (how we verify) · updated 16 Oct 2026. UPSC publishes no model answers: compare your structure and coverage with this, then write your own.

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