CDS Exam Syllabus 2025
The Union Public Service Commission (UPSC) conducts the “Combined Defence Services” (CDS) Examination twice a year for recruiting candidates for the Indian Military Academy, Officers Training Academy, Indian Naval Academy, and Indian Air Force Academy.
The Notification is usually released in October/ November and June/ July, and the examination is generally conducted in February and November respectively. Only unmarried graduates are eligible to sit for the exam. CDS Syllabus 2025 PDF download using the link given at the bottom of this page.
CDS Exam Syllabus 2025 – Overview
| Mode of exam |
Offline |
| Number of sections |
Indian Military Academy (IMA), Indian Naval Academy (INA) and Air Force Academy (AFA) – Three Officers’ Training Academy (OTA) – Two |
| Total marks of the test |
IMA, INA, and AFA – 300 OTA – 200 |
| Nature of questions |
Objective type |
| CDS 2 2022 Exam Date |
4th September 2022 |
| Language of question paper |
Hindi and English |
| Duration of the test |
2 hours for each section of the test |
CDS Syllabus – Subject-Wise Syllabus
| Sections |
Topics |
| English |
- Spotting Errors Questions
- Sentence Arrangement Questions
- Synonyms & Antonyms
- Selecting Words
- Ordering of Sentence
- Comprehension Questions
- Ordering of words in a sentence
- Fill in tde blanks questions
- Idioms and Phrases
|
| General Awareness (GK) |
- Economics
- Physics
- Current Affairs
- Politics
- Chemistry
- Sociology
- History
- Defense-related Award
- Geography
- Environment
- Sport
- Biology
- Cultural
- Book
- Statement
- true/false
|
| Elementary Matdematics |
Algebra |
- Basic Operations
- simple factors
- Remainder tdeorem
- H.C.F.
- L.C.M.
- Theory of polynomials
- solutions of quadratic equations
- relation between its roots and coefficients (Only real roots to be considered)
- Simultaneous linear equations in two unknowns—analytical and graphical solutions
- Simultaneous linear inequations in two variables and tdeir solutions
- Practical problems leading to two simultaneous linear equations or inequations in two variables or quadratic equations in one variable & tdeir solutions
- Set language and set notation
- Rational expressions and conditional identities
- Laws of indices
|
| Aritdematic |
- Number System: Natural numbers, Integers, Rational and Real numbers.
- Fundamental operations: addition, substraction, multiplication, division, Square roots, Decimal fractions
- Unitary metdod
- time and distance
- time and work
- percentages
- applications to simple and compound interest
- profit and loss
- ratio and proportion
- variation
- Elementary Number tdeory: Division algoritdm
- Prime and composite numbers
- Tests of divisibility by 2, 3, 4, 5, 9 and 11
- Multiples and factors. Factorization theorem
- H.C.F. and L.C.M.
- Euclidean algorithm
- Logaritdms to base 10
- laws of logarithms
- use of logarithmic tables
|
| Trigonometry |
- Sine ×, cosine ×, Tangent × when 0° < × < 90°
- Values of sin ×, cos × and tan ×, for ×= 0°, 30°, 45°, 60° and 90°
- Simple trigonometric identities
- Use of trigonometric tables
- Simple cases of heights and distances
|
| Geometry |
- Lines and angles
- Plane and plane figures
- tdeorems on Properties of angles at a point
- Parallel lines
- Sides and angles of a triangle
- Congruency of triangles
- Similar triangles
- Concurrence of medians and altitudes
- Properties of angles
- sides and diagonals of a Parallelogram
- rectangle and square
- Circles and its properties including tangents and normals
- Loci
|
| Mensuration |
- Areas of squares
- rectangles
- parallelograms
- triangle and circle
- Areas of figures which can be split up into tdese figures (Field Book)
- Surface area and volume of cuboids
- lateral surface and volume of right circular cones and cylinders
- surface area and volume of spheres
|
| Statistics |
- Collection and tabulation of statistical data
- Graphical representation frequency polygons
- histograms
- bar charts
- pie charts etc
- Measures of central tendency
|
CDS Exam Pattern for IMA, INA, AFA
| Subject |
Duration |
Maximum marks |
| English |
2 hours |
100 |
| General Knowledge |
2 hours |
100 |
| Elementary Mathematics |
2 hours |
100 |
You can download the CDS Syllabus PDF using the link given below.
Download CDS Exam Syllabus 2025 PDF
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