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The Combined Defence Services Examination (CDS) is conducted by the Union Public Service Commission to recruit candidates for prestigious defence academies such as the Indian Military Academy, Indian Naval Academy, Air Force Academy, and Officers Training Academy.
Understanding the complete CDS syllabus is essential for effective preparation. The written examination mainly consists of English, General Knowledge, and Elementary Mathematics.
However, candidates applying for OTA need to prepare only English and General Knowledge
What is The Exam Pattern of CDS 2026?
The exam pattern for CDS 2026 differs depending on the academy for which a candidate is applying.
Key Points
Questions are objective type (MCQ).
Negative marking for CDS 2026 is applicable for wrong answers.
Candidates who clear the written exam proceed to the SSB Interview stage.
Also Check the CDS 1 Answer Key 2026 for All Sets (A, B, C, D)
What is The Syllabus for CDS 2026?
The English section tests a candidate’s grammar knowledge, vocabulary, and comprehension skills. Questions are generally based on everyday usage of English rather than theoretical rules.
Important Topics
Reading Comprehension
Spotting Errors
Fill in the Blanks
Synonyms and Antonyms
Idioms and Phrases
Sentence Improvement
Sentence Arrangement
Daily reading and vocabulary improvement are important strategies to score well in this section.
CDS General Knowledge Syllabus 2026?
The General Knowledge section checks the candidate’s awareness of national and international events and basic academic subjects.
Major Areas Covered
History
Ancient, Medieval, and Modern Indian History
Indian Freedom Movement
Geography
Physical geography of India and the world
Climate, rivers, and natural resources
Polity
Indian Constitution
Political system and governance
General Science
Basic Physics, Chemistry, and Biology
Environment & Ecology
Environmental issues and biodiversity
Current Affairs
National and international events
Defence updates, awards, sports, and important personalities
This section is dynamic, so regular reading of current affairs is essential.
CDS Elementary Mathematics Syllabus 2026
The mathematics section is included only for candidates applying to IMA, INA, and AFA. The level of the syllabus is approximately Class 10 standard.
Major Topics
Arithmetic
Number system
Percentage
Ratio and proportion
Profit and loss
Time and work
Time and distance
Simple and compound interest
Algebra
Basic operations and polynomials
Linear equations
Quadratic equations
Inequalities
Sets and indices
Trigonometry
Trigonometric ratios
Trigonometric identities
Heights and distances
Geometry
Lines and angles
Triangles and circles
Properties of parallelogram, square, and rectangle
Mensuration
Area of triangles, squares, rectangles, and circles
Surface area and volume of cubes, cylinders, cones, and spheres
Statistics
Collection and tabulation of data
Graphical representation (bar charts, histograms, pie charts)
Measures of central tendency (mean, median, mo
What Are The Stages for The CDS Selection Process?
The complete selection process includes the following stages:
Written Examination conducted by the Union Public Service Commission
SSB Interview (5-day personality and intelligence test)
Medical Examination
Final Merit List
Candidates must perform well in both the written exam and the SSB interview to secure admission to the respective defence academy.
Preparation Tips for CDS 2026
1. Understand the Complete Syllabus
Start preparation by thoroughly analyzing the syllabus and identifying important topics.
2. Practice Previous Year Papers
Solving CDS previous papers helps understand the question pattern and improves speed.
3. Focus on English and GK
These sections are common for all academies, including OTA.
4. Strengthen Basic Mathematics Concepts
For IMA, INA, and AFA aspirants, mathematics can be a scoring subject with regular practice.
5. Attempt Mock Tests Regularly
Mock tests improve time management and exam confidence.
Conclusion
The CDS Syllabus 2026 covers English, General Knowledge, and Elementary Mathematics, designed to evaluate a candidate’s academic knowledge and awareness required for officer training.
By understanding the subject-wise topics and following a disciplined preparation strategy, aspirants can improve their chances of clearing the CDS written exam and moving forward to the SSB Interview stage.
Key Points
Questions are objective type (MCQ).
Negative marking for CDS 2026 is applicable for wrong answers.
Candidates who clear the written exam proceed to the SSB Interview stage.
Also Check the CDS 1 Answer Key 2026 for All Sets (A, B, C, D)
What is The Syllabus for CDS 2026?
The English section tests a candidate’s grammar knowledge, vocabulary, and comprehension skills. Questions are generally based on everyday usage of English rather than theoretical rules.
Important Topics
Reading Comprehension
Spotting Errors
Fill in the Blanks
Synonyms and Antonyms
Idioms and Phrases
Sentence Improvement
Sentence Arrangement
Daily reading and vocabulary improvement are important strategies to score well in this section.
CDS General Knowledge Syllabus 2026?
The General Knowledge section checks the candidate’s awareness of national and international events and basic academic subjects.
Major Areas Covered
History
Ancient, Medieval, and Modern Indian History
Indian Freedom Movement
Geography
Physical geography of India and the world
Climate, rivers, and natural resources
Polity
Indian Constitution
Political system and governance
General Science
Basic Physics, Chemistry, and Biology
Environment & Ecology
Environmental issues and biodiversity
Current Affairs
National and international events
Defence updates, awards, sports, and important personalities
This section is dynamic, so regular reading of current affairs is essential.
CDS Elementary Mathematics Syllabus 2026
The mathematics section is included only for candidates applying to IMA, INA, and AFA. The level of the syllabus is approximately Class 10 standard.
Major Topics
Arithmetic
Number system
Percentage
Ratio and proportion
Profit and loss
Time and work
Time and distance
Simple and compound interest
Algebra
Basic operations and polynomials
Linear equations
Quadratic equations
Inequalities
Sets and indices
Trigonometry
Trigonometric ratios
Trigonometric identities
Heights and distances
Geometry
Lines and angles
Triangles and circles
Properties of parallelogram, square, and rectangle
Mensuration
Area of triangles, squares, rectangles, and circles
Surface area and volume of cubes, cylinders, cones, and spheres
Statistics
Collection and tabulation of data
Graphical representation (bar charts, histograms, pie charts)
Measures of central tendency (mean, median, mo
What Are The Stages for The CDS Selection Process?
The complete selection process includes the following stages:
Written Examination conducted by the Union Public Service Commission
SSB Interview (5-day personality and intelligence test)
Medical Examination
Final Merit List
Candidates must perform well in both the written exam and the SSB interview to secure admission to the respective defence academy.
Preparation Tips for CDS 2026
1. Understand the Complete Syllabus
Start preparation by thoroughly analyzing the syllabus and identifying important topics.
2. Practice Previous Year Papers
Solving CDS previous papers helps understand the question pattern and improves speed.
3. Focus on English and GK
These sections are common for all academies, including OTA.
4. Strengthen Basic Mathematics Concepts
For IMA, INA, and AFA aspirants, mathematics can be a scoring subject with regular practice.
5. Attempt Mock Tests Regularly
Mock tests improve time management and exam confidence.
Conclusion
The CDS Syllabus 2026 covers English, General Knowledge, and Elementary Mathematics, designed to evaluate a candidate’s academic knowledge and awareness required for officer training.
By understanding the subject-wise topics and following a disciplined preparation strategy, aspirants can improve their chances of clearing the CDS written exam and moving forward to the SSB Interview stage.
