UPSC Mains GS Paper III Syllabus

GS Paper III is a 250-mark descriptive Mains paper covering technology, economic development, biodiversity, environment, security and disaster management. The syllabus below is split into 50 topics across 6 subjects, with how often each was asked from 2016 to 2025.

Most asked Mains GS Paper III topics

Economy — 12 topics

Agriculture & Rural Development — 8 topics

Science & Technology — 10 topics

Environment & Ecology — 8 topics

Internal Security — 8 topics

Disaster Management — 4 topics

Other UPSC papers

Track the Mains GS Paper III syllabus

Tick off topics as you finish them and keep a revision count for each — free, in Hindi or English.

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