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Paper

General Studies Paper I

What this covers

Prelims GS Paper I brings current events together with history, geography, polity, economic and social development, environment and general science. Its subject branches are an index for precise, verifiable distinctions rather than a claim of exhaustive factual coverage.

Key ideas

  • current events
  • history and geography
  • polity and economy
  • environment and science

Topics 7

  1. 01Current eventsCurrent events are time-bound developments in India and abroad.3 subtopics
  2. 02History of India and the national movementThis Prelims branch covers Indian history across periods and the national movement.4 subtopics
  3. 03Indian and world geographyGeography connects physical processes, human settlement and economic activity to location and scale.5 subtopics
  4. 04Indian polity and governancePolity concerns the constitutional framework, political institutions and the distribution of public authority.5 subtopics
  5. 05Economic and social developmentEconomic development concerns production, livelihoods and public resources;5 subtopics
  6. 06Environmental ecology, biodiversity and climate changeEnvironmental ecology studies relationships among organisms and their surroundings.4 subtopics
  7. 07General scienceThe branch connects physical, chemical and biological principles to observable everyday phenomena.4 subtopics

Official wording is from UPSC's Civil Services Examination 2026 notification, the current baseline for CSE 2027 preparation. Always check the latest notification at upsc.gov.in. Scopes and key ideas are CSE One's study map and are being expanded.