Topicly
All exams

UPSC · UPSC IA MAINS

UPSC IA MAINS Syllabus and Exam Pattern

Indian Administrative Service Mains Examination

Sections
5
Topics
28
Sub-topics
280
Stages
2

The UPSC IA MAINS (Indian Administrative Service Mains Examination) syllabus is organised into 5 sections: Reasoning, English Language, Quantitative Aptitude, General Awareness and Professional Knowledge / Domain Awareness. Together they cover 28 topics and 280 sub-topics, tested in UPSC-IA-MAINS Exam and UPSC-IA-MAINS Domain Test. Below you will find every section's topics, the exam pattern and answers to common questions.

About the exam and pattern

UPSC IA Mains (Indian Administrative Service Mains) is the second stage of UPSC Civil Services Examination. Per UPSC CSE notification: 9 papers (Essay, GS I-IV, Optional I-II of same subject, English, Hindi/Indian Language) — All descriptive, 3 hours each + Personality Test (Interview, 275 marks). Tests depth of knowledge, writing skills, and personality.

Exam pattern: Descriptive (9 Papers) + Interview — UPSC Civil Services Mains

Where the marks are

Share of total marks by section

UPSC-IA-MAINS Exam

  • Reasoning25%25 marks · 25 Qs
  • English Language25%25 marks · 25 Qs
  • Quantitative Aptitude25%25 marks · 25 Qs
  • General Awareness25%25 marks · 25 Qs

Tap a sub-topic to start studying it.

  • Puzzles & Arrangements (Seating, Floor, Scheduling)

    ~2 marks
  • Syllogism, Inequality & Statement-Conclusion

    ~2 marks
  • Coding-Decoding, Series, Analogy & Classification

    ~2 marks
  • Blood Relations, Direction Sense & Order Ranking

    ~2 marks
  • Input-Output, Scheduling & Calendar/Clock

    ~2 marks
  • Data Sufficiency, Critical Reasoning & Misc Reasoning

    ~2 marks
Take a mock test

Exam pattern at a glance

Descriptive (9 Papers) + Interview — UPSC Civil Services Mains

High-weightage UPSC IA MAINS topics

  1. 1Puzzles & Arrangements (Seating, Floor, Scheduling)Reasoning~2 marks
  2. 2Syllogism, Inequality & Statement-ConclusionReasoning~2 marks
  3. 3Coding-Decoding, Series, Analogy & ClassificationReasoning~2 marks
  4. 4Blood Relations, Direction Sense & Order RankingReasoning~2 marks
  5. 5Input-Output, Scheduling & Calendar/ClockReasoning~2 marks
  6. 6Data Sufficiency, Critical Reasoning & Misc ReasoningReasoning~2 marks
  7. 7English GrammarEnglish Language~2 marks
  8. 8English GrammarEnglish Language~2 marks

UPSC IA MAINS section-wise syllabus

Reasoning

UPSC-IA-MAINS Exam · 6 topics · 60 sub-topics

  • Puzzles & Arrangements (Seating, Floor, Scheduling)
  • Syllogism, Inequality & Statement-Conclusion
  • Coding-Decoding, Series, Analogy & Classification
  • Blood Relations, Direction Sense & Order Ranking
  • Input-Output, Scheduling & Calendar/Clock
  • Data Sufficiency, Critical Reasoning & Misc Reasoning
Full Reasoning syllabus

General Awareness

UPSC-IA-MAINS Exam · 6 topics · 60 sub-topics

  • Indian History (Ancient, Medieval, Modern)
  • Indian Geography (Physical, Climate, Resources)
  • Indian Polity & Constitution
  • Indian Economy (Planning, Agriculture, Industry, Banking)
  • General Science (Physics, Chemistry, Biology)
  • Current Affairs & Static GK
Full General Awareness syllabus

Frequently asked questions

What is the UPSC IA MAINS syllabus?

The UPSC IA MAINS syllabus has 5 sections: Reasoning, English Language, Quantitative Aptitude, General Awareness and Professional Knowledge / Domain Awareness. Together they cover 28 topics and 280 sub-topics.

What is the UPSC IA MAINS exam pattern?

Descriptive (9 Papers) + Interview — UPSC Civil Services Mains. Stages: UPSC-IA-MAINS Exam, UPSC-IA-MAINS Domain Test.

How many questions come from each UPSC IA MAINS section?

Reasoning: 25 questions (25 marks); English Language: 25 questions (25 marks); Quantitative Aptitude: 25 questions (25 marks); General Awareness: 25 questions (25 marks); Professional Knowledge / Domain Awareness: 50 questions (50 marks). Numbers can change with each notification.

Which UPSC IA MAINS topics carry the most marks?

By weightage in the syllabus data: Puzzles & Arrangements (Seating, Floor, Scheduling) (Reasoning, ~2 marks), Syllogism, Inequality & Statement-Conclusion (Reasoning, ~2 marks), Coding-Decoding, Series, Analogy & Classification (Reasoning, ~2 marks), Blood Relations, Direction Sense & Order Ranking (Reasoning, ~2 marks), Input-Output, Scheduling & Calendar/Clock (Reasoning, ~2 marks).

How can I prepare for UPSC IA MAINS on Topicly?

Open any UPSC IA MAINS topic on this page and choose how to study it: step-by-step chat, quizzes, mock tests, formula sheets or a voice call with Sia, your personal teacher. Your progress is saved topic by topic, and it's free to start.

Is this the official UPSC IA MAINS syllabus?

It is compiled from the official UPSC IA MAINS notification and exam pattern for study purposes. The conducting body can change the syllabus, so always confirm with the latest official notification.

Compiled from official notifications for study purposes. Always confirm with the conducting body's latest notification.