CDS Syllabus
CDS Syllabus & Exam Pattern 2025
| Particulars | Details |
|---|---|
| Exam Conducting Body | Union Public Service Commission (UPSC) |
| Exam Name | Combined Defence Services (CDS 2 2025) |
| Mode of Exam | Offline |
| CDS 2 Exam Date 2025 | 14th September 2025 (Sunday) |
| Sections | IMA/INA/AFA – 3 Sections OTA – 2 Sections |
| Total Marks | IMA/INA/AFA – 300 Marks OTA – 200 Marks |
| Nature of Questions | Objective Type |
| Languages | Hindi & English |
| Duration | 2 Hours for Each Paper |
CDS Exam Pattern 2025 (IMA, INA & AFA)
| Subject | Duration | Maximum Marks |
|---|---|---|
| English | 2 Hours | 100 |
| General Knowledge | 2 Hours | 100 |
| Elementary Mathematics | 2 Hours | 100 |
CDS Exam Pattern 2025 (OTA)
| Subject | Duration | Maximum Marks |
|---|---|---|
| English | 2 Hours | 100 |
| General Knowledge | 2 Hours | 100 |
Marking Scheme
| Correct Answer | Full Marks Awarded |
| Wrong Answer | 1/3 Marks Deducted |
| Multiple Answers | Treated as Incorrect |
| Unanswered | No Penalty |
CDS English Syllabus
| Spotting Errors |
| Sentence Arrangement |
| Synonyms & Antonyms |
| Selecting Words |
| Ordering of Sentences |
| Reading Comprehension |
| Fill in the Blanks |
| Idioms & Phrases |
| Sentence Improvements/Corrections |
CDS General Knowledge Syllabus
| Economics |
| Physics |
| Chemistry |
| Biology |
| History |
| Geography |
| Polity |
| Environment |
| Sociology |
| Sports |
| Current Affairs |
| Cultural & Awards |
| Books & Defence Related Topics |
CDS Mathematics Syllabus
| Section | Topics |
|---|---|
| Algebra | Basic Operations, Factors, Remainder Theorem, HCF, LCM, Polynomials, Quadratic Equations, Simultaneous Linear Equations, Sets, Indices, Rational Expressions |
| Arithmetic | Number System, Square Roots, Fractions, Time & Work, Time & Distance, Percentages, Profit & Loss, Ratio & Proportion, Variation, Simple & Compound Interest, Logarithms |
| Trigonometry | Sine, Cosine, Tangent, Trigonometric Identities, Heights & Distances |
| Geometry | Lines & Angles, Triangles, Congruency & Similarity, Circles, Parallelogram, Rectangle, Square, Theorems on Angles & Properties |
| Mensuration | Area & Volume of Squares, Rectangles, Triangles, Circles, Cuboids, Cones, Cylinders, Spheres |
| Statistics | Data Collection, Frequency Tables, Graphs, Bar Charts, Pie Charts, Histograms, Mean, Median, Mode |