📝 UPSC Mains 2025 Papers

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📘 GS Paper 1 📘 GS Paper 2 📘 GS Paper 3 📘 GS Paper 4 📘 Essay Paper 📘 Optional Papers

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Apirant's One Stop Solution - UPSC BookList & Strategy

UPSC 2026 Resource Hub — Books, Notes, PYQs, Strategy & Current Affairs

One-stop, mentor-curated library. Clean structure. Zero fluff. Updated regularly. Last updated: Aug 24, 2025.

⤵ Quick Navigate

Why this hub matters

It compresses the ocean into a usable map: standard books (buy/free), official PDFs, PYQs, structured strategies, and current affairs—organized by stage (Prelims/Mains/Interview) and subject (GS1–4, Essay, Optional, CSAT). You get guidance on what to study and how to use it—like a topper’s desk, not a link dump.

All Resources (filterable)

Indian Polity — M. Laxmikanth

Bible for Polity (Prelims + GS2). Read selectively; make index-based notes.

Use with: PYQs + ARC 2nd reports for governance angle.

Introduction to the Constitution of India — D.D. Basu

Conceptual clarity + case law pointers. Use for mains depth & examples.

View

2nd ARC Reports (DARPG — Official)

Actionable recommendations: Ethics, E-Governance, Public Order, RTI, CPGRAMS.

Open

Constitution of India — Bare Act (Official)

Authoritative text. Use for Articles, Schedules, Amendments, exact language.

Open Amazon

India Year Book — Publications Division

Schemes, departments, data nuggets. Skim index; annotate only relevant pages.

Visit Amazon

PRS Legislative Research + Press Information Bureau

Policy briefs (PRS) + official releases (PIB). Build mains-value additions.

Spectrum — Modern India

Events → Themes → Personalities. Prelims facts + GS1 narratives.

Amazon Flipkart  

Indian Economy — Ramesh Singh

Macro fundamentals + budgetary concepts. Map to GS3 syllabus headings.

Amazon

Environment — Shankar IAS

Biodiversity, pollution, climate—pair with current affairs for GS3.

Amazon

Ethics, Integrity & Aptitude — Lexicon

Concept vocabulary + examples. Build your case study toolkit.

Amazon

CSAT Practice — Quant/Reasoning/RC

Daily 1-hour drills. Focus on accuracy → speed.

Amazon

UPSC PYQs — Official Papers

Backbone of prep. Reverse engineer trends & recurring themes.

Open

IGNOU eGyanKosh — Free Notes

Good for concept gaps. Sample selectively; avoid drowning.

Open

🧭 Prelims Starter Kit

🏛 GS1: History • Society • Geography

Use NCERT → Spectrum/GC Leong → PYQs; integrate maps & case snippets.

⚖️ GS2: Polity • Governance • IR

Polity core (Laxmikanth + Bare Act) → Governance (ARC) → IR (MEA + Yearbook + PRS briefs).

🔬 GS3: Economy • Agriculture • Env • S&T • Security

Concept book + data (Survey/Budget) + local examples → applied answers.

🧭 GS4: Ethics • Case Studies

Build a personal example bank; practice 30-minute full-length case drills.

🖋 Essay: Idea → Structure → Delivery

Thesis, 3–4 pillars, counterview, governance-linked conclusion. Practice fortnightly.

📚 Optional Subjects

Choose interest + scoring overlap with GS. Track toppers’ copies & test-series feedback.

🧩 CSAT

Daily 1 hour. Topic rotation: RC → Quant → Reasoning. Track accuracy & time.

📰 Current Affairs

Newspaper → monthly consolidation → mains notes with index. Use PRS/PIB to verify.

🎯 Mentor Playbook (Officer-grade habits)

Study Sequence

  1. NCERT basics → Standard book
  2. PYQs reverse mapping
  3. Current affairs integration
  4. Answer-writing (weekly)
  5. Full tests (monthly)

4F Answer Method

Fact (data/def) → Feeling (citizen impact) → Failure (gap) → Fix (scheme/institution).

Weekly Drill

  • 2 GS answers + 1 Essay intro
  • 1 CSAT hour (Tue/Thu)
  • Revise schemes with PYQ tags

Mistakes to Avoid

  • Unlimited sources
  • No PYQ linkage
  • Only reading, no writing

📌 How to use this hub (Practical Checklist)

  • Bookmark this page. Use search + filters above to find items fast.
  • Lock your core booklist today. Avoid switching unless justified.
  • For every chapter: read → map PYQs → write a 150-word answer.
  • Maintain a one-page index per paper (schemes/data/cases).
  • Every Sunday: revise notes; post doubts in our Telegram group.

🤝 Join the community

Discuss doubts, share notes, and get peer accountability.

Telegram WhatsApp

🗣 Quick Questions (comment below)

  1. What’s your core booklist for GS2? (Max 5 items)
  2. Which PYQ trend worries you the most?
  3. How many answers did you write this week?
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