UPSC CDS Syllabus 2025 Check Online Exam Pattern

UPSC CDS Syllabus- To choose applicants for the Indian Defence Academies, such as the Indian Naval Academy, Indian Military Academy, Air Force Academy, and Officer’s Training Academy, the Union Public Service Commission administers the CDS exam. Candidates may apply for this exam until June 4, 2025; the application window opened on May 15, 2025.

This test is administered at the national level, is very competitive, and necessitates much preparation. The purpose of the UPSC CDS Exam syllabus is to assist individuals who are unsure of where to begin. To get the highest score possible, all applicants must prepare for every topic.

UPSC CDS Syllabus 2025

Applying for this exam is available to all interested parties via the official website. The Combined Defence Service Examination (II) 2025 will be conducted on 1st September 2025 in offline mode. To sit for the exam, candidates must comprehend the UPSC CDS syllabus in its entirety.

To be admitted to the Indian Defence Academies (the INA, IMA, and Air Force Academy), candidates must pass a test covering a variety of subjects, such as general knowledge, English, and elementary mathematics. However, general knowledge and English are the primary subjects covered in the Officer’s Training Academy (OTA) curriculum.

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UPSC CDS Syllabus

UPSC CDS Syllabus Overviews

OrganizationUnion Public Service Commission (UPSC)
Exam NameCombined Defence Service Examination II
Total Vacancies459
Exam Date1st September 2025
CategorySyllabus
Official Websiteupsc.gov.in

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CDS Syllabus 2025 PDF

The CDS Exam syllabus is essential for candidates since it helps them create a focused study strategy and efficient action plan. It’s crucial to remember that only candidates who pass the written exam advance to the SSB Interview stage. For admission to the Indian Military Academy, Indian Naval Academy, and Indian Air Force Academy, candidates must meet the requirements of the CDS Syllabus 2025 in English, General Knowledge, and Elementary Mathematics. However, the syllabus for entrance to the Officers’ Training Academy focuses entirely on English and General Knowledge disciplines. Please refer to this article for a comprehensive grasp of the particular subjects addressed in each course.

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Exam Pattern for UPSC CDS II

CDS Exam Pattern for INA, AFA, IMA
  • The test will be administered offline.
  • Every paper will contain all of the questions in the objective form.
  • Three areas are included in the tests for INA, AFA, and IMA: general knowledge, English, and elementary mathematics.
  • The exam for the aforementioned institution will take 06 hours to finish, with two hours allotted to each section.
  • The combined IFA, INA, and IMA scores are 300.
CDS Exam Pattern for OTA
  • The test will be administered offline.
  • There will be two portions to the question: general knowledge and English.
  • The OTA will take 02 hours in total to complete.
  • There will be 200 total points awarded for the OTA.

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The selection process of UPSC CDS II

There are various phases to the applicant selection process. First, candidates are shortlisted via a written exam. Following this, the commission conducts an interview. This interview evaluates candidates’ leadership abilities, officer-like characteristics, and overall suitability for a career in the armed forces. It comprises a variety of assignments, group discussions, and individual interviews. Then, a medical examination is performed to confirm that candidates fulfill the necessary physical and medical criteria. Finally, a merit list is issued. The ultimate decision is made based on the candidates’ performance in the written exam and interview.

UPSC CDS II Syllabus

Syllabus for English

CDS English Syllabus 2025
  • Reading Comprehension Questions.
  • Spotting the Error Questions.
  • Fill in the blank questions.
  • Synonyms & Antonyms Questions.
  • Idioms and Phrases Questions.
  • Sentence Arrangement or Jumbled Questions.
  • Ordering of words in Sentence Questions.
  • Sentence Improvement or Sentence Correction Questions

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UPSC CDS II syllabus for Elementary Mathematics

CDS Maths Syllabus
ArithmeticNumber System

  • Natural numbers, Integers, Rational and Real numbers.
  • Fundamental operations, addition, subtraction, multiplication, division, Square roots, Decimal fractions.
  • Unitary method, time and work, time and distance, percentages.
  • Applications of profit and loss, simple and compound interest, ratio and proportion, and variation.

Elementary Number Theory

  • Division algorithm.
  • Prime and composite numbers.
  • Tests of divisibility by 2, 3, 4, 5, 9 and 11.
  • Multiples and factors.
  • Factorisation Theorem.
  • H.C.F. and L.C.M.
  • Euclidean algorithm.
  • Logarithms to base 10, use of logarithmic tables, laws of logarithms.
Algebra
  • Basic operations and Simple factors,
  • Remainder Theorem.
  • H.C.F. and L.C.M.
  • Polynomial theory, the relationship between roots and coefficients (only real roots are examined), and solutions to quadratic equations.
  • Simultaneous linear equations in two unknowns — analytical & graphical solutions.
  • Simultaneous linear inequalities in two variables & their solutions.
  • Practical issues with solutions that result in two simultaneous linear equations, inequalities in two variables, or quadratic equations in one variable.
  • Set notation and set language.
  • Rational expressions and conditional identities.
  • Laws of indices.
Trigonometry
  • Sine x, cosine x, Tan x when 0° < x < 90° , Values of sin x, cos x & tan x, for x = 0°, 30°, 45°, 60° & 90°.
  • Simple trigonometric identities.
  • Use of trigonometric tables.
  • Simple cases of heights and distances.
GeometryPlane and plane figures, Lines and angles, Theorems on:

  • Properties of angles at a point
  • Parallel lines
  • Sides and angles of a triangle
  • Congruence of triangles
  • Similar triangles
  • Concurrence of medians and altitudes
  • Properties of sides, angles, and diagonals of a rectangle, parallelogram, and square
  • Circles and their properties, including tangents and normals
  • Loci
Mensuration
  • Parallelogram, square, rectangle, triangle, and circle area measurements.
  • Figure areas can be divided into three categories (Field Book): lateral surface and volume of right circular cones and cylinders, surface area and volume of cuboids, and surface area and volume of spheres.
Statistics
  • Collection and tabulation of statistical data.
  • Graphical representation of frequency polygons, bar charts, histograms, pie charts, etc.
  • Measures of central tendency.

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UPSC CDS III syllabus for General Knowledge

CDS General Knowledge Syllabus
  • Indian History
  • Political Science
  • Economics
  • Geography
  • Environment
  • General Science – Physics, Chemistry, Biology
  • Current Affairs– National & International Awards, Summits, Sports, Conference, Books & Authors, etc.
  • Defence Related Questions – Army, Navy, Air Force

UPSC CDS Syllabus FAQ’S

What are the subjects for CDS Examination?

For IMA, INA and AFA CDS Exam consists subjects which are General Knowledge, Mathematics, and English. For OTA, the subjects are just General Knowledge and English.

Who can apply for the CDS Exam 2025?

Candidates that are graduated from any recognized university can apply for CDS Examination.

What is the Age limit to apply for the CDS Examination?

For CDS Examination i.e., 19 to 24 years for the Indian Military Academy (IMA) and Indian Naval Academy (INA) application, 20 to 24 years for the Indian Air Force Academy (AFA) application, and 19 to 25 years for Officers Training Academy (OTA).

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