The Union Public Service Commission Civil Services Examination (UPSC CSE) is India’s most prestigious exam for IAS, IPS, IFS and other Group A & B services. Understanding the official UPSC CSE 2026 syllabus, exam pattern and a disciplined preparation strategy is the key to success.
This guide is compiled directly from the latest UPSC official syllabus and previous notifications for 100% accuracy.
UPSC CSE 2026 Exam Pattern
Preliminary Examination (Objective)
| Paper | Subject | Questions | Marks | Duration | Negative Marking |
|---|---|---|---|---|---|
| Paper-I | General Studies (GS) | 100 | 200 | 2 Hours | 1/3 |
| Paper-II | CSAT (Aptitude) | 80 | 200 | 2 Hours | 1/3 |
CSAT is qualifying (33% marks required). GS Paper-I marks count for Mains shortlisting.
Mains Examination (Descriptive)
| Paper | Subject | Marks |
|---|---|---|
| Paper-A | Indian Language (Qualifying) | 300 |
| Paper-B | English (Qualifying) | 300 |
| Paper-I | Essay | 250 |
| Paper-II | GS-I (History, Geography, Society) | 250 |
| Paper-III | GS-II (Polity, Governance, IR) | 250 |
| Paper-IV | GS-III (Economy, Environment, S&T) | 250 |
| Paper-V | GS-IV (Ethics, Integrity, Aptitude) | 250 |
| Paper-VI & VII | Optional Subject (Paper 1 & 2) | 500 |
| Interview | Personality Test | 275 |
Total Mains + Interview: 2025 marks.
UPSC CSE 2026 Detailed Syllabus (Official)
Prelims GS Paper-I
Current events of national and international importance, History of India and Indian National Movement, Indian and World Geography, Indian Polity and Governance, Economic and Social Development, General issues on Environmental Ecology, Biodiversity and Climate Change, General Science.
CSAT Paper-II
Comprehension, Interpersonal skills, Logical reasoning and analytical ability, Decision making and problem solving, General mental ability, Basic numeracy, Data interpretation.
Mains GS Papers
GS-I: Indian Heritage and Culture, History and Geography of the World and Society.
GS-II: Governance, Constitution, Polity, Social Justice and International relations.
GS-III: Technology, Economic Development, Bio diversity, Environment, Security and Disaster Management.
GS-IV: Ethics, Integrity and Aptitude.
Optional subjects have their own detailed syllabi on UPSC site.
UPSC CSE 2026 Preparation Strategy
6-8 Months Foundation Plan
- Read NCERTs (6-12) for basics.
- Standard books: Laxmikant for Polity, Spectrum for History, GC Leong for Geography, Economic Survey + Budget for Economy.
- Daily newspaper (The Hindu/Indian Express) + monthly compilation.
Answer Writing & Revision
- Start answer writing from month 3.
- Practice 5-7 questions daily.
- Join test series for Prelims and Mains.
- Revise current affairs weekly.
Interview Stage
Focus on DAF (Detailed Application Form), current affairs, your optional, home state, and personality development.
Official Links
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Last updated: 25.06.2026
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