UPSC CSE 2026 Syllabus
Union Public Service Commission
Last updated: August 2026
Complete UPSC IAS 2026 syllabus for Prelims and Mains. Includes optional subject list and essay paper details.
1Prelims Paper I — GS
History of IndiaIndian & World GeographyIndian Polity & GovernanceEconomic & Social DevelopmentEnvironment & EcologyGeneral ScienceCurrent Events
2Prelims Paper II — CSAT
ComprehensionLogical ReasoningAnalytical AbilityDecision MakingBasic NumeracyData InterpretationEnglish Language Comprehension
3Mains GS I
Indian Heritage & CultureHistoryGeography of the WorldSociety
4Mains GS II
GovernanceConstitutionPolitySocial JusticeInternational Relations
5Mains GS III
TechnologyEconomic DevelopmentBiodiversityEnvironmentSecurityDisaster Management
6Mains GS IV
EthicsIntegrityAptitudeCase Studies
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