CDS
The combined Defence Services Examination is one of India’s most competitive examinations; hence, candidates show utmost dedication towards the preparation to clear each stage of the CDS Selection Process. It is essential to understand that the CDS Examination consists of two phases: the written examination and the SSB Interview. To be selected, candidates must successfully pass both stages and for that.
.The UPSC conducts the CDS exam biannually to select candidates for various Indian Defence Academies, including the Indian Military Academy, Indian Naval Academy, Air Force Academy, and Officers’ Training Academy
| Data | Details |
|---|---|
| Conducting Authority | Union Public Service Commission (UPSC) |
| Exam Name | Combined Defence Services (CDS) |
| Mode of Exam | Offline |
| Number of Sections | For Indian Military Academy (IMA), Indian Naval Academy (INA), and Air Force Academy (AFA) – Three For Officers’ Training Academy (OTA) – Two |
| Total Marks of the Test | IMA, INA, and AFA – 300 OTA – 200 |
| Nature of Paper | Objective Type |
| Language of CDS Question Paper | Hindi and English |
| Duration of CDS Exam | 2 hours each |
A) For Admission to Indian Military Academy, Indian Naval Academy, and Air Force Academy –
| Subject | Duration | Maximum Marks |
|---|---|---|
| English | 2 Hours | 100 |
| General Knowledge | 2 Hours | 100 |
| Mathematics | 2 Hours | 100 |
| SSB Test/Interview | 5 Days | 300 |
B) For Admission to the Officers’ Training Academy –
| Subject | Duration | Maximum Marks |
|---|---|---|
| English | 2 Hours | 100 |
| General Knowledge | 2 Hours | 100 |
| SSB Test/Interview | 5 Days | 300 |
COMPLETE SYLLABUS : CDS
CDS English Syllabus
- 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
CDS Syllabus for Mathematics
| CDS Maths Syllabus | |
|---|---|
| Arithmetic | Number 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, 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. • Theory of polynomials, relation between its roots and coefficients (Only real roots to be considered), solutions of 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. |
| Geometry | Plane 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 | • Areas of parallelograms, squares, rectangles, triangles and circles. • Areas of figures can be split up into these figures (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 |
CDS Syllabus for General Knowledge
- 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
