UPSC Syllabus 2026 — Complete Syllabus for Prelims, Mains & Interview
UPSCPrepNotes — Updated June 2026
The UPSC Civil Services Examination syllabus is the single most important document for every aspirant. It defines exactly what you need to study — nothing more, nothing less. The syllabus is divided into three stages: Preliminary Examination (Prelims), Main Examination (Mains), and the Personality Test (Interview). Below is the complete, topic-wise breakdown of each stage along with practical tips to use the syllabus as your roadmap.
Preparing for UPSC? Get actual answer copies from 50+ toppers with verified marks.
Get the Compilation at ₹799 →UPSC Prelims Syllabus — Paper I (General Studies)
The Prelims consists of two papers, both objective type (MCQs). Paper I is for merit ranking; Paper II (CSAT) is qualifying only.
Paper I — General Studies (200 marks, 2 hours)
| Topic | Description |
|---|---|
| Current Affairs | National and international events of national importance |
| History of India & Indian National Movement | Ancient, Medieval, Modern India |
| Indian & World Geography | Physical, Social, Economic Geography of India and the World |
| Indian Polity & Governance | Constitution, Political System, Panchayati Raj, Public Policy, Rights Issues |
| Economic & Social Development | Sustainable Development, Poverty, Inclusion, Demographics, Social Sector Initiatives |
| Environmental Ecology, Biodiversity & Climate Change | General issues without subject specialization |
| General Science | Basic scientific concepts and their applications |
The trick with Prelims is not to read everything — it's to eliminate options smartly. Most toppers rely on mock tests and PYQ analysis rather than exhaustive reading.
UPSC Prelims Syllabus — Paper II (CSAT)
Paper II — Civil Services Aptitude Test (CSAT, 200 marks, 2 hours)
This paper is qualifying in nature — you need just 33% (66 out of 200). Marks are not counted for ranking.
| Topic | Description |
|---|---|
| Comprehension | Reading passages and answering questions |
| Interpersonal & Communication Skills | Group behavior, communication styles |
| Logical Reasoning & Analytical Ability | Puzzles, syllogisms, critical reasoning |
| Decision Making & Problem Solving | Situational judgment, prioritization |
| General Mental Ability | Number series, analogies, coding-decoding |
| Basic Numeracy | Class X level — numbers, percentages, ratios, averages |
| Data Interpretation | Charts, graphs, tables, data sufficiency |
CSAT is often underestimated. While it's qualifying, a tough paper can waste your year. Practice 10-15 previous years' papers to build speed.
UPSC Mains Syllabus — Complete Paper-wise Breakdown
The Mains has 9 papers, totalling 1,750 marks. Only 7 papers count for ranking (Paper I–VII). Papers A and B are qualifying.
| Paper | Subject | Marks | Nature | Key Topics |
|---|---|---|---|---|
| A | Compulsory Indian Language | 300 | Qualifying | One of 22 scheduled languages |
| B | English | 300 | Qualifying | Comprehension and writing |
| I | Essay | 250 | Merit | Two essays — abstract and topic-based |
| II | General Studies I | 250 | Merit | Indian Heritage, History, Geography, Society |
| III | General Studies II | 250 | Merit | Governance, Constitution, Polity, Social Justice, IR |
| IV | General Studies III | 250 | Merit | Economy, Agriculture, S&T, Environment, Security |
| V | General Studies IV | 250 | Merit | Ethics, Integrity, Aptitude, Case Studies |
| VI | Optional Subject I | 250 | Merit | Your chosen optional — Paper 1 |
| VII | Optional Subject II | 250 | Merit | Your chosen optional — Paper 2 |
Paper-wise topic breakdown:
Paper I — Essay (250 marks): Two essays — one on an abstract topic (e.g., "Technology as a tool for empowerment"), one on a specific topic from a choice of themes. Tests clarity of thought, structure, and persuasive writing.
Paper II — General Studies I (250 marks): Indian Heritage & Culture, History & Geography of the World and Society. Topics: Indian culture, modern Indian history, world history, post-independence India, global geography, societal issues.
Paper III — General Studies II (250 marks): Governance, Constitution, Polity, Social Justice & International Relations. Topics: Constitution, federalism, separation of powers, statutory bodies, governance, social justice, India's foreign policy.
Paper IV — General Studies III (250 marks): Technology, Economic Development, Biodiversity, Security & Disaster Management. Topics: Indian economy, agriculture, science & tech, environment, internal security, disaster management.
Paper V — General Studies IV (250 marks): Ethics, Integrity & Aptitude. Topics: ethics and human interface, attitudes, emotional intelligence, moral thinkers, case studies.
Paper VI & VII — Optional Subject (250 + 250 marks): Your chosen optional subject across two papers.
This is where most preparation time goes — the Mains syllabus is vast but well-structured. Successful candidates break it down into micro-topics and use PYQ trend analysis to identify high-weightage areas.
How to Use the UPSC Syllabus as Your Study Plan
Most aspirants make the same mistake — they print the syllabus, read it once, and never look at it again. Here's how toppers actually use it:
| Step | Action | Why It Works |
|---|---|---|
| 1 | Create a Topic Checklist | Convert each syllabus bullet into a checkbox to track coverage |
| 2 | Cross-reference with PYQs | Map previous year questions to syllabus topics to see depth required |
| 3 | Mark High-Weightage Areas | Constitution, Environment, Current Affairs appear every year — prioritize them |
| 4 | Use It for Revision | Read the relevant syllabus point before each revision session |
| 5 | Pair It With Topper Answer Copies | Syllabus tells you WHAT to study; copies show you HOW to answer |
Together, the syllabus + PYQs + topper answer copies form the most powerful combination for UPSC preparation.
UPSC Optional Subject Syllabus
The optional subject contributes 500 marks (2 papers) to your final score — making it one of the most rank-deciding factors.
| Optional Subject | Syllabus Size | GS Overlap | Best For |
|---|---|---|---|
| PSIR | Large | High (GS2 + Interview) | Students interested in politics and IR |
| Public Administration | Medium | High (GS2 + Governance) | Administrative service aspirants |
| Sociology | Compact | Medium (GS1 Society) | Non-science backgrounds, short syllabus |
| Geography | Large | High (GS1) | Diagram-based answering, visual learners |
| History | Large | High (GS1) | Structured syllabus, story-based learning |
| Anthropology | Compact | Low | Science students, scoring potential |
| Mathematics | Large | Low | Strong math background, objective scoring |
Each optional has a specific syllabus published by UPSC. Download the optional syllabus for your chosen subject and create a study plan around it. The same PYQ cross-referencing technique applies here too.
UPSC Personality Test (Interview) — What to Expect
The Interview (Personality Test) carries 275 marks and is conducted by the UPSC board. Unlike the written exam, there's no fixed syllabus, but questions generally cover:
| Area | What They Ask |
|---|---|
| DAF (Detailed Application Form) | Hobby, education, work experience, hometown — everything is fair game |
| Current Affairs | Your opinion on recent national and international events |
| Situational Questions | How you'd react in specific administrative scenarios |
| Optional Subject | Deeper dives from your chosen optional area |
| Ethical Dilemmas | Testing integrity and decision-making under pressure |
Preparation for the interview requires mock sessions, current affairs revision, and deep self-awareness. Many toppers prepare 100+ likely questions from their DAF before the interview.
UPSC Syllabus PDF Downloads & Resources
While you can download the official syllabus from upsc.gov.in, the real challenge is turning that syllabus into a preparation strategy.
| Resource | How It Helps |
|---|---|
| PYQ Trend Analysis | See which topics get the most questions year after year |
| Topic-wise Notes | Condensed notes for each syllabus point |
| Answer Writing Practice | The syllabus is useless without application |
| Topper Answer Copies | See how top scorers structure answers within the syllabus framework |
The Complete Compilation includes strategy guides mapped to every syllabus section, plus actual answer copies showing you exactly how to structure answers within the UPSC evaluation framework.
Frequently Asked Questions
Where can I download the official UPSC syllabus PDF?
The official UPSC syllabus PDF is available on upsc.gov.in. However, a plain PDF isn't enough — you need PYQ trend analysis and answer writing practice to use it effectively.
How many papers are there in UPSC Mains?
UPSC Mains has 9 papers — 2 qualifying (Language + English) and 7 merit-based (Essay, 4 GS papers, 2 Optional papers). Total marks: 1,750 for ranking, plus 275 for Interview = 2,025 total.
Is CSAT part of the UPSC syllabus?
Yes, CSAT is Paper II of Prelims. It tests comprehension, logical reasoning, numeracy, and data interpretation. It's qualifying at 33% — you just need to pass, not score high.
Which optional subject has the shortest syllabus?
Anthropology, Sociology, and Philosophy are generally considered to have more compact syllabi. However, the best optional is one that aligns with your strengths and has good overlap with GS papers.
How do I know which topics are important in the UPSC syllabus?
Cross-reference each syllabus point with PYQs from the last 10-15 years. Topics that appear repeatedly (like Constitution, Environment, Current Affairs) deserve more attention. This analysis saves months of wasted effort.
Related Pages
Free UPSC Study Material
2,700+ resources — test series, notes, books, magazines. Download free from top coaching institutes.