UPSC Mains · 500 marks

25 Optional Subjects
Strategy, Books, PYQ Trends

The optional paper is worth 500 marks (2 papers × 250) and often decides your rank. Each subject gets five guides — syllabus, booklist, paper analysis, strategy and 2021-2025 PYQ trends.

Pick your optional

25 subjects with 5 guides each. Click any subject to explore its preparation roadmap.

Still deciding your optional?

Read our framework for picking an optional that matches your interest, background and scoring potential.