The CDS Syllabus 2026 is the foundation for candidates preparing to join the Indian Armed Forces through the Combined Defence Services examination. Every aspirant must clearly understand the CDS Syllabus 2026 before beginning preparation because it defines the subjects, topics, and exam pattern required to qualify for the written exam and proceed to the SSB Interview stage.
The CDS Syllabus 2026 includes three major subjects for candidates applying to the Indian Military Academy, Indian Naval Academy, and Air Force Academy: English, General Knowledge, and Elementary Mathematics. For candidates applying to the Officers’ Training Academy, the CDS Syllabus 2026 includes English and General Knowledge only, as the mathematics paper is not part of the OTA selection process.
At GAPS SSB, candidates are guided with structured training programs that align closely with the CDS Syllabus 2026, helping aspirants prepare effectively for both the written exam and the SSB Interview.
Understanding the CDS Syllabus 2026
A proper understanding of the CDS Syllabus 2026 is essential for developing a clear and effective preparation strategy. The written examination consists of objective-type multiple-choice questions conducted in an offline format.
The CDS Syllabus 2026 helps candidates understand the important subject areas, marking scheme, and time distribution. With the right planning and consistent practice, candidates can cover the CDS Syllabus 2026 efficiently and improve their chances of clearing the written examination.
Aspirants must remember that only candidates who qualify in the written exam based on the CDS Syllabus 2026 will be called for the SSB Interview, which is the final stage of the officer selection process.
CDS Syllabus 2026 – Overview
Below are the important details candidates should know while preparing according to the CDS Syllabus 2026.
Exam Name: Combined Defence Services Examination
Exam Mode: Offline (Pen and Paper)
Nature of Paper: Objective Type Multiple Choice Questions
Duration: 2 Hours for each paper
Language of Question Paper: Hindi and English
The exam pattern linked to the CDS Syllabus 2026 varies depending on the academy for which a candidate has applied.
For IMA, INA, and Air Force Academy, candidates must attempt three papers:
- English
- General Knowledge
- Elementary Mathematics
For Officers’ Training Academy, the exam consists of two papers:
- English
- General Knowledge
The CDS Syllabus 2026 is designed to evaluate a candidate’s language ability, analytical thinking, awareness of national and international issues, and mathematical problem-solving skills.
CDS Syllabus 2026 – Subject Wise Topics
To prepare effectively for the examination, candidates must understand the subject-wise topics included in the CDS Syllabus 2026.
CDS Syllabus 2026 for English
The English section in the CDS Syllabus 2026 is designed to test a candidate’s understanding of grammar, vocabulary, comprehension ability, and sentence structure.
Regular reading, vocabulary improvement, and grammar practice can significantly improve performance in this section.
Important topics in the CDS Syllabus 2026 for English include:
- Reading Comprehension
- Spotting Errors
- Fill in the Blanks
- Synonyms and Antonyms
- Idioms and Phrases
- Sentence Arrangement or Jumbled Sentences
- Ordering of Words in Sentences
- Sentence Improvement and Correction
At GAPS SSB, candidates preparing under the CDS Syllabus 2026 are trained to improve comprehension speed, vocabulary strength, and grammar accuracy through structured practice sessions.
CDS Syllabus 2026 for Mathematics
The mathematics section in the CDS Syllabus 2026 is included for candidates applying to IMA, INA, and Air Force Academy. This section tests numerical ability, analytical thinking, and problem-solving skills.
Consistent practice is essential to master the mathematics topics included in the CDS Syllabus 2026.
Arithmetic
Topics covered in the CDS Syllabus 2026 under arithmetic include:
- Number system
- Natural numbers, integers, rational numbers
- Fundamental operations
- Square roots and decimal fractions
- Percentage
- Profit and loss
- Simple and compound interest
- Time and work
- Time and distance
- Ratio and proportion
Elementary Number Theory
The CDS Syllabus 2026 includes topics such as:
- Division algorithm
- Prime and composite numbers
- Tests of divisibility
- Multiples and factors
- HCF and LCM
- Euclidean algorithm
- Logarithms and logarithmic tables
Algebra
Algebra topics included in the CDS Syllabus 2026 are:
- Basic operations and simple factors
- Theory of polynomials
- Quadratic equations
- Simultaneous linear equations
- Linear inequalities
- Set notation and set language
- Laws of indices
Trigonometry
Trigonometry in the CDS Syllabus 2026 includes:
- Values of sine, cosine, and tangent
- Trigonometric identities
- Trigonometric tables
- Heights and distances
Geometry
Geometry topics included in the CDS Syllabus 2026 are:
- Lines and angles
- Triangles and their properties
- Parallel lines
- Similar triangles
- Rectangles, squares, and parallelograms
- Circles and tangents
Mensuration
The CDS Syllabus 2026 also covers:
- Area of squares, rectangles, triangles, and circles
- Surface area and volume of cones and cylinders
- Surface area and volume of cuboids and spheres
Statistics
Statistics topics in the CDS Syllabus 2026 include:
- Collection of statistical data
- Bar charts and histograms
- Frequency polygons
- Measures of central tendency
CDS Syllabus 2026 for General Knowledge
The General Knowledge section of the CDS Syllabus 2026 tests candidates on awareness of national and international events, scientific concepts, and social developments.
Topics included in the CDS Syllabus 2026 for General Knowledge are:
- Indian History
- Political Science
- Economics
- Geography
- Environment
- General Science (Physics, Chemistry, Biology)
- Current Affairs
- Defence-related awareness including Army, Navy, and Air Force
Preparation for this part of the CDS Syllabus 2026 requires regular reading of newspapers, current affairs updates, and basic concept revision from standard subjects.
CDS Syllabus 2026 for OTA
Candidates applying to the Officers’ Training Academy must prepare according to the CDS Syllabus 2026 that includes only two subjects:
- English
- General Knowledge
The OTA selection process does not include the mathematics paper, but candidates must still perform well in English and General Knowledge as per the CDS Syllabus 2026 to qualify for the SSB Interview.
CDS Exam Pattern 2026
The exam pattern aligned with the CDS Syllabus 2026 determines how candidates are evaluated in the written examination.
For Indian Military Academy, Naval Academy, and Air Force Academy
| Subject | Duration | Marks |
|---|---|---|
| English | 2 Hours | 100 |
| General Knowledge | 2 Hours | 100 |
| Mathematics | 2 Hours | 100 |
Total Written Marks: 300
For Officers’ Training Academy
| Subject | Duration | Marks |
|---|---|---|
| English | 2 Hours | 100 |
| General Knowledge | 2 Hours | 100 |
Total Written Marks: 200
SSB Interview After CDS Written Exam
After clearing the written exam based on the CDS Syllabus 2026, candidates are called for the SSB Interview, which is conducted over five days.
The SSB selection process includes:
- Screening Test
- Psychological Tests
- Group Testing Officer Tasks
- Personal Interview
- Conference
The SSB Interview carries 300 marks and plays a major role in final selection.
At GAPS SSB, candidates are trained with realistic SSB simulations and officer-like personality development to perform confidently in the interview stage after completing preparation based on the CDS Syllabus 2026.
Conclusion
The CDS Syllabus 2026 provides a structured roadmap for candidates aiming to join the Indian Armed Forces through the Combined Defence Services examination. Understanding the CDS Syllabus 2026 thoroughly helps aspirants plan their preparation, manage time effectively, and focus on important topics.
With consistent practice, strong conceptual clarity, and expert guidance, candidates can successfully complete the CDS Syllabus 2026 and move closer to achieving their dream of becoming officers in the Indian Armed Forces.
For aspirants looking for structured preparation, GAPS SSB provides dedicated training programs covering the entire CDS Syllabus 2026 along with SSB Interview preparation, ensuring candidates are fully prepared for every stage of the selection process.
