C1CSE One Learn

Stage

Main Examination

What this covers

The written Main Examination brings together qualifying language work, Essay, four General Studies papers and an optional subject. Each has a different response task even when the same concept is relevant to several papers.

Key ideas

  • qualifying language tasks
  • Essay
  • General Studies I–IV
  • optional papers

Papers 8

  1. 01Qualifying Indian Language PaperThe qualifying Indian Language paper tests reading and clear, correct expression in the selected language.5 topics
  2. 02Qualifying English PaperThe qualifying English paper tests reading and clear, correct expression through comprehension, précis, usage/vocabulary and short essays.4 topics
  3. 03EssayThe Essay paper tests sustained relevance, orderly reasoning, concise writing and exact expression across more than one prompt.6 topics
  4. 04General Studies IGS I connects Indian culture, history, society and geography.12 topics
  5. 05General Studies IIGS II spans the Constitution, institutions, governance, social justice and international relations.20 topics
  6. 06General Studies IIIGS III combines economy, agriculture, industry, science and technology, environment, disaster management and internal security.20 topics
  7. 07General Studies IVGS IV studies ethical reasoning, attitude, aptitude, foundational public-service values, emotional intelligence, moral thinkers, probity and case…9 topics
  8. 08Optional subjectsThe official optional-subject catalog expands into 48 subject-specific syllabi, each with independent Paper I and Paper II roots and clause-mapped…

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.