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UPSC CSAT Syllabus | Exam Pattern & Qualifying Marks

UPSC CSAT Syllabus 2025 - CSAT Full Form, CSAT Qualifying Marks, CSAT Exam Pattern


UPSC CSAT Syllabus | Exam Pattern & Qualifying Marks

UPSC CSAT Syllabus | Exam Pattern & Qualifying Marks

If you're preparing for the UPSC Civil Services Examination 2026, understanding the CSAT syllabus is essential. The CSAT (Civil Services Aptitude Test) is Paper II of the prelims and acts as a qualifying paper. Let’s break down the CSAT full form, qualifying marks, syllabus topics, exam pattern, and preparation approach.


What is CSAT in UPSC?

CSAT stands for Civil Services Aptitude Test. Introduced in 2011 as part of the UPSC Preliminary Examination, CSAT tests your comprehension, logical reasoning, mental ability, and numeracy skills. It is designed to ensure that civil services aspirants possess the aptitude and analytical ability required for administrative responsibilities.


CSAT Full Form

CSAT: Civil Services Aptitude Test


UPSC CSAT Syllabus 2026: Topic-Wise Breakdown

The UPSC CSAT paper includes 7 major areas:

  1.  Comprehension
  2.  Interpersonal Skills (including Communication Skills)
  3.  Logical Reasoning 
  4.  Decision Making and Problem Solving
  5.  General Mental Ability
  6.  Basic Numeracy (Class X level)
  7.  Data Interpretation (Class X level)
Let’s explore the detailed topic-wise structure:


CSAT Math Syllabus (Basic Numeracy)

Number system:

  • Integers, Rational & Irrational Numbers
  • Real Numbers, Divisibility Rules
  • Prime & Composite Numbers, HCF & LCM

Arithmetic:

  • Percentages, Profit & Loss
  • Simple & Compound Interest
  • Ratio & Proportion, Averages
  • Time & Work, Time-Speed-Distance

Algebra:

  • Simple Equations
  • Basic Algebraic Identities

Data Interpretation & Data Sufficiency:

  • Bar Graphs, Line Graphs, Pie Charts, and Tables
  • Interpreting trends and drawing inferences
  • Data Sufficiency questions: Can the question be answered from the given data ?


General Mental Ability & Logical Reasoning

Logical Patterns:

  • Number & Alphabet Series
  • Analogies and Classification
  • Venn Diagrams, Coding Decoding

Reasoning & Puzzle Solving:

  • Blood Relations
  • Direction Sense Test
  • Logical Sequences


UPSC CSAT Reasoning & Analytical Ability

Analytical Reasoning:

  • Syllogisms
  • Statement & Assumptions
  • Statement & Conclusions
  • Statement & Arguments


CSAT Qualifying Marks

  • Total Marks: 200
  • Questions: 80 (Multiple Choice)
  • Qualifying Marks: 33% (i.e., 66 out of 200)
  • Negative Marking: Yes, 0.83 marks deducted for each wrong answer
  • Time Duration: 2 hours
  • Medium: English or Hindi


Book for UPSC CSAT 2026

UNGIST CSAT Book for GS Paper II: This book is designed for UPSC CSAT preparation with:

  • Topic-wise theory (formula free approach)
  • CSAT Previous year questions (PYQs) from 2011 to 2025
  • Practice questions with logical, concept based solutions


Final Thoughts

Though CSAT is qualifying in nature, its increasing complexity means you cannot afford to take it lightly. Prepare each section strategically, especially Numeracy, Reasoning, and Data Sufficiency. Use resources like the UNGIST CSAT Book and stay consistent in your practice.


Want free CSAT PDFs, topic-wise PYQs, and concept classes ?

Visit ungist.com or follow UNGIST IAS on YouTube.



Related article:
Best UPSC CSAT Book | UNGIST CSAT Book by Ram Mohan Pandey
How to prepare CSAT for UPSC 2026-27


Frequently Asked Questions (FAQs)

It emphasizes aptitude, reasoning, comprehension, and basic mathematics.

Yes, you must score at least 33% (66 marks) to qualify.

Yes, with consistent practice and conceptual clarity. UNGIST also offers a self-paced book and free YouTube classes.

Focus on understanding logic over formulas. Practice easy-to-moderate level problems regularly.

As of now, no changes have been announced. Stay updated via UPSC notifications.
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