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Core Subjects & Standard Books
1. History
Ancient & Medieval History
• Old NCERTs (Class VI–X, R.S. Sharma, Satish Chandra)
• Tamil Nadu State Board History (Class 11 & 12) — concise & exam-oriented
• Ancient India by R.S. Sharma
• Medieval India by Satish Chandra (selectively)
Modern History
• A Brief History of Modern India by Spectrum (Rajiv Ahir) — Bible for Prelims
• India's Struggle for Independence by Bipan Chandra (selectively)
Art & Culture
• Nitin Singhania's Indian Art & Culture (Prelims + Mains)
• NCERT Fine Arts (Class 11)
2. Geography
• NCERTs: Class VI–XII (especially Class XI Physical Geography, Class XII India: Physical Environment)
• Certificate Physical & Human Geography by G.C. Leong
• Atlas: Orient Black Swan / Oxford Student Atlas
3. Polity
• Indian Polity by M. Laxmikanth — read cover to cover
• NCERT Political Science (Class IX–XII)
• Bare Act — for quick reference to Constitution articles
4. Economy
• NCERT Economics (Class IX–XII) — especially Macroeconomics Class XII
• Indian Economy by Ramesh Singh
• Indian Economy by Sanjiv Verma (for clarity on basics)
• Economic Survey (latest) — important for Prelims trends
• Union Budget (latest) — schemes, allocations, policies
5. Environment & Ecology
• Shankar IAS Environment Book
• NCERT Biology (Class XII) — Ecology & Environment chapters
• Current affairs: Climate Change, COP, Biodiversity conventions
6. Science & Technology
• NCERT Science (Class VI–X) for basics
• NCERT Biology Class XI–XII (selectively)
Track Current Developments In:
• Space (ISRO, NASA), Defence technology, IT, AI, Robotics, Biotech
7. Current Affairs
Newspapers (daily)
• The Hindu or Indian Express
Government Sources
• PIB (Press Information Bureau)
• PRS India (legislation tracking)
• Yojana & Kurukshetra (selective, important themes)
8. CSAT (Paper-II)
• Previous Year CSAT Papers — compulsory practice
• NCERT Maths (Class IX & X) for fundamentals
• R.S. Aggarwal's Quantitative Aptitude (if weak in quant)
Practice & Strategy
Practice Materials
• Previous Year Question Papers (PYQs) — minimum last 10 years
• Test Series — pick one institute and stick to it
• Daily MCQs — consistency over volume
Preparation Strategy
- Start with NCERTs → move to standard books
- Make short notes (one page per topic)
- Revise multiple times (3–4 revisions minimum)
- Solve PYQs — they reveal UPSC's exact pattern
- Take mock tests under real exam conditions