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The first step to becoming an IAS officer is not buying books; it is memorizing the UPSC Syllabus 2025. Many aspirants spend months studying topics that are not even in the exam. Why? Because they never decoded the official notification. UPSC Syllabus 2025

At Trademark IAS, we don’t just teach you the syllabus; we teach you what to skip. Here is the detailed, decoded breakdown of the Civil Services Examination (CSE) syllabus for 2025.

![Image: Infographic showing the 3 stages of UPSC Exam: Prelims, Mains, Interview]

Is the UPSC Syllabus Changing in 2025? UPSC Syllabus 2025

There are many rumors circulating about a “New Pattern.”

• The Truth: As of now, the Union Public Service Commission (UPSC) has not announced any official change for the 2025 cycle. The core static subjects (History, Geography, Polity) remain the same.

• The Shift: While the topics are the same, the nature of questions is becoming more analytical.

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Stage 1: UPSC Prelims Syllabus (The Screening) UPSC Syllabus 2025

Total Marks: 400 | Nature: Objective (MCQ)

Paper I: General Studies (200 Marks)

This paper decides your cutoff.

1. Current Events: National and International importance.

2. History: Ancient, Medieval, Modern India, and Indian National Movement.

3. Geography: Physical, Social, Economic Geography of India and the World.

4. Polity: Constitution, Political System, Panchayati Raj, Public Policy, Rights Issues.

5. Economy: Sustainable Development, Poverty, Inclusion, Demographics, Social Sector Initiatives.

6. Environment: General issues on Ecology, Bio-diversity, and Climate Change.

7. General Science: Basic scientific concepts.

Paper II: CSAT (200 Marks) UPSC Syllabus 2025

Qualifying Paper (You need 33% or 66 Marks)

1. Comprehension.

2. Interpersonal skills & Communication.

3. Logical Reasoning & Analytical ability.

4. Decision Making & Problem Solving.

5. Basic Numeracy & Data Interpretation (Class 10 level).

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Stage 2: UPSC Mains Syllabus (The Rank Decider) UPSC Syllabus 2025

Total Marks: 1750 | Nature: Descriptive (Written)

The Mains exam consists of 9 papers.

Qualifying Papers (300 Marks Each)

• Paper A: Indian Language (Bengali/Hindi/etc.)

• Paper B: English Language.

Merit Papers (Counted for Rank)

• Paper I: Essay (250 Marks) – Two essays on multiple topics.

• Paper II: General Studies I (250 Marks) – Indian Heritage, Culture, History, and Geography of the World and Society.

• Paper III: General Studies II (250 Marks) – Governance, Constitution, Polity, Social Justice, and International Relations.

• Paper IV: General Studies III (250 Marks) – Technology, Economic Development, Bio-diversity, Environment, Security, and Disaster Management.

• Paper V: General Studies IV (250 Marks) – Ethics, Integrity, and Aptitude.

• Paper VI & VII: Optional Subject (500 Marks) – Two papers on your chosen subject (e.g., History, Geography).

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How to “Decode” the Syllabus?

The official PDF lists topics like “Indian Economy.” But what does that mean?

• Decode: It means Banking, Budget, Inflation, Agriculture, and Infrastructure.

• Strategy: Use our “Micro-Listing” technique where we break down one keyword into 10 sub-topics.

Conclusion

The UPSC Syllabus 2025 is vast, but it is finite. If you stick to the syllabus, you can complete it in 12 months.

Don’t have the time to decode it yourself? Download our “Decoded Syllabus PDF” where we have broken down every line into study topics.

[Download Decoded Syllabus] | [Join 2025 Foundation Batch]