This guide breaks down the full UPSC 2026 syllabus in plain language. Whether you’re starting fresh or revising before the exam, this is the only page you need.
UPSC Exam Structure at a Glance
The UPSC CSE has three stages. You must clear each stage to reach the next one.
| Stage |
Type |
Papers |
Marks |
Counts for Rank? |
| Prelims |
MCQ (Objective) |
2 |
400 |
Screening only |
| Mains |
Written (Descriptive) |
9 |
1,750 |
Yes |
| Interview |
Personality Test |
1 Session |
275 |
Yes |
| Grand Total |
— |
— |
2,025 |
Mains + Interview |
| 💡 Important to Know
Prelims is only a screening test — your Prelims score does NOT decide your final rank. Your rank is determined by your Mains + Interview score out of 2,025 marks. |
Stage One : UPSC Prelims Syllabus 2026
Prelims is held every year around May–June. It has two papers — both are MCQ (multiple choice). Only Paper 1 marks decide whether you clear Prelims. Paper 2 (CSAT) is just qualifying — you need only 33% to pass it.
| ⚠️ Negative Marking
Every wrong answer in Prelims costs you 1/3 of a mark. If you’re not sure of an answer — it is safer to skip. |
GS Paper 1 — General Studies (200 Marks | 100 Questions)
This is the main paper that decides your Prelims cut-off. It covers 7 broad subjects:
📰 Current Affairs
- Government schemes
- Diplomatic events
- Science breakthroughs
- International organisations
🏛️ History & Freedom Struggle
- Ancient & Medieval India
- Modern India (1757–1947)
- Reform movements
- Freedom fighters
🌍 Geography
- Physical geography
- Climate & oceans
- Indian resources
- World geography
⚖️ Indian Polity
- Constitution
- Fundamental rights
- Parliament & courts
- Panchayati Raj
💹 Economy & Development
- Poverty & inclusion
- Budget & banking
- Social sector schemes
- Demographics
🌿 Environment & Ecology
- Biodiversity
- Climate change
- Environmental treaties
- Conservation issues
🔬 General Science
- Physics, Chemistry, Biology
- Class X–XII level
- Space & defence tech
- Recent discoveries
| 📊 Cut-off Insight
General category Prelims cut-off usually falls between 88–105 marks (out of 200). Aim for 115+ marks to stay safely above. Current affairs + Polity together make up 35–40% of all questions. |
GS Paper 2 — CSAT (200 Marks | 80 Questions | Qualifying at 33%)
CSAT tests your reading, reasoning, and basic maths. You need at least 66 marks out of 200. Failing CSAT means you’re out — even if your GS Paper 1 score is excellent.
| Topic |
What It Tests |
| Reading Comprehension |
Understand passages in English and Hindi |
| Logical Reasoning |
Find patterns, draw conclusions |
| Decision Making |
Choose the best course of action |
| Basic Maths |
Class X level: numbers, percentages, ratios |
| Data Interpretation |
Read graphs, charts, and tables |
| English Comprehension |
Understand written English passages |
| ✅ CSAT Strategy
Spend at least 1.5–2 hours every week on CSAT practice from Day 1. Most aspirants who failed did so because they ignored CSAT. Don’t make that mistake. |
UPSC Micro Syllabus PDF — Prelims Edition
Topic-wise breakdown for GS Paper 1 & CSAT, ready to print and revise.
Download PDF
Stage Two : UPSC Mains Syllabus 2026
Mains is the most important stage — it decides your final rank. It is a written exam spread over 5–7 days. There are 9 papers in total, but only 7 count for your rank (1,750 marks). The other 2 are qualifying language papers.
| Paper |
Subject |
Marks |
Type |
| Paper A |
Indian Language (any of 22 scheduled languages) |
300 |
Qualifying |
| Paper B |
English Language |
300 |
Qualifying |
| Paper I |
Essay (2 essays) |
250 |
Merit |
| Paper II |
GS 1 — History, Heritage & Geography |
250 |
Merit |
| Paper III |
GS 2 — Polity, Governance & International Relations |
250 |
Merit |
| Paper IV |
GS 3 — Economy, Technology & Environment |
250 |
Merit |
| Paper V |
GS 4 — Ethics, Integrity & Aptitude |
250 |
Merit |
| Paper VI |
Optional Subject — Paper 1 |
250 |
Merit |
| Paper VII |
Optional Subject — Paper 2 |
250 |
Merit |
GS Paper 1 — History, Heritage & Geography
- Indian culture: art, architecture, literature from ancient to modern period
- Modern Indian history: major events from the mid-18th century to independence
- The Freedom Struggle — its stages and key contributors from across India
- Post-independence consolidation and reorganisation of India
- World history: World Wars, colonialism, Industrial Revolution, geopolitical changes
- Indian society: diversity, women’s role, urbanisation, poverty
- Natural disasters: earthquakes, tsunamis, cyclones, volcanoes
GS Paper 2 — Polity, Governance & International Relations
- Indian Constitution: key features, amendments, and provisions
- Federal structure: Centre-State relations, disputes, challenges
- Parliament, State Legislatures, President, Judiciary
- Governance tools: RTI, e-governance, civil services
- India’s foreign policy and relations with neighbours
- International organisations: UN, WTO, IMF, World Bank, WHO
GS Paper 3 — Economy, Technology, Environment & Security
- Indian economy: planning, growth, employment
- Union Budget, fiscal policy, government spending
- Agriculture: irrigation, crop patterns, food processing
- Infrastructure: roads, ports, airports, railways, energy
- Science & Technology: space, robotics, nano-tech, AI, biotechnology
- Environment: biodiversity conservation, disaster management
- Internal security: Left Wing Extremism, cybersecurity, border management
GS Paper 4 — Ethics, Integrity & Aptitude
This is the most unique UPSC paper. It tests your values, not just your knowledge. It has both theory questions and real-life case studies.
- Ethics and human values: what they are and how they shape decisions
- Emotional intelligence in governance
- Civil service values: integrity, objectivity, empathy, non-partisanship
- Thinkers: Gandhi, Ambedkar, Kautilya, Aristotle, Kant, Bentham
- Probity in governance: transparency, citizen charters, codes of ethics
- Case studies: ethical dilemmas in government work
| ✍️ Essay Paper Tip
The Essay Paper (250 marks) is the single biggest merit paper — yet most aspirants underestimate it. Write 900–1,100 words per essay. Practice one full essay per week from Month 4 onwards. |
Optional Subjects — Your 500-Mark Decision
Choosing the right optional subject can make or break your rank.
Every UPSC Mains candidate must choose one optional subject. It has two papers (Paper VI & VII), each worth 250 marks — so the optional contributes 500 marks to your total Mains score.
🏆 Popular & High-Scoring
- Anthropology
- Sociology
- Geography
- Public Administration
- Political Science & IR
- Philosophy
- History
- Psychology
🔬 Science & Technical
- Mathematics
- Physics
- Chemistry
- Botany / Zoology
- Geology & Statistics
- Civil / Electrical Engg.
- Medical Science
- Agriculture
📜 Literature
- Hindi, English, Sanskrit
- Urdu, Bengali, Tamil
- Telugu, Kannada, Malayalam
- Marathi, Gujarati, Odia
- Punjabi, Assamese
- + 7 more languages
UPSC Micro Syllabus PDF — Mains + Optionals
All 9 Mains papers + optional subjects mapped to micro-topics with study priority tags.
Download PDF
Stage Three : UPSC Personality Test (Interview) — 275 Marks
The Interview is the final stage, held in New Delhi between February and May (after Mains results). It is not a test of knowledge — it tests your character, judgment, and suitability for civil service.
| Parameter |
Details |
| Duration |
30–45 minutes |
| Board Members |
5 members + 1 Chairperson |
| Total Marks |
275 |
| Language |
English or Hindi (regional language with prior permission) |
| Basis |
Your Detailed Application Form (DAF) |
What Does the Board Look For?
- Mental alertness — Respond clearly without getting flustered
- Clarity of thought — Give structured, logical answers
- Balance of judgment — Show you can see multiple sides of an issue
- Moral integrity — Be honest and consistent in your answers
- Depth of interest — Know your optional subject and DAF details deeply
- Social awareness — Understand India’s diversity and governance challenges
Types of Questions Asked
📄 DAF-Based Questions
- Your college & subjects
- Hobbies & interests
- Work experience
- Home state issues
📰 Current Affairs
- Budget & policies
- Supreme Court judgments
- Foreign policy events
- State-specific news
⚖️ Ethical Dilemmas
- Hypothetical scenarios
- Your action as IAS officer
- Conflict of interest cases
- Values under pressure
🎯 Opinion Questions
- Controversial policy topics
- Socio-political issues
- Your optional subject
- Hobby deep-dives
| 💡 Interview Impact
A strong Interview can move you from Rank 200 to Rank 50. Start DAF preparation immediately after submitting your form. Know every line you wrote in it — the board will ask about everything. |
Simple Preparation Strategy
A month-wise roadmap for 12 months of focused preparation.
| Months |
Focus Areas |
| Month 1–3 |
Build foundations — NCERT books (Class 6–12), daily newspaper reading, understand the full syllabus |
| Month 4–6 |
Standard reference books for each GS subject + start optional subject preparation |
| Month 7–9 |
Intensive revision + current affairs + answer writing practice (10 answers/week) |
| Month 10–11 |
Full-length mock tests, previous year papers, Essay writing practice |
| Month 12 |
Rapid revision, current affairs consolidation, Prelims mock tests |
✅ 5 Habits of UPSC Toppers
1. Read one newspaper daily (The Hindu or Indian Express) — always.
2. Write answers by hand, not just read them — writing builds clarity.
3. Revise each topic at least 3 times before the exam.
4. Follow the official UPSC syllabus, not coaching shortcuts.
5. Treat Current Affairs as a daily habit, not a last-minute cramming session.
Download UPSC Micro Syllabus PDF
Free PDFs to support your preparation — no login or sign-up required.
Complete Micro-Topics Syllabus PDF
All 3 stages · All subjects · Topic-wise tracker · 2026 edition.
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