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CDS 2025

Updated On 09 May, 2025 10:58

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  • Overview
  • About
  • Syllabus

CDS 2025 Overview

The Combined Defence Services (CDS) Examination is a national-level exam conducted twice a year by the Union Public Service Commission (UPSC) to recruit candidates for the Indian Military Academy (IMA), Indian Naval Academy (INA), Air Force Academy (AFA), and Officers’ Training Academy (OTA). For the year 2025, CDS Exam I is scheduled on April 13, 2025, and CDS Exam II is set for September 14, 2025. The application process for CDS I 2025 concluded on January 1, 2025, while applications for CDS II 2025 are expected to be accepted from May 28 to June 17, 2025. The selection process includes a written examination followed by an interview conducted by the Services Selection Board (SSB). Candidates are advised to regularly check the official UPSC website for updates and detailed

📅

Exam Date

Expected on Exam Date: April 13 2025 (Sunday)​ , September 14, 2025 (Sunday)​.

🏛

Conducting Body

Union Public Service Commission (UPSC) (expected).

For IMA, INA, AFA

Section Subject/Test No. of Questions Marks Duration
Paper I English 120 100 2 Hours
Paper II General Knowledge 120 100 2 Hours
Paper III Elementary Mathematics 100 100 2 Hours
Total 340 questions 300 6 Hours

For OTA (Officers’ Training Academy)

Section Subject/Test No. of Questions Marks Duration
Paper I English 120 100 2 Hours
Paper II General Knowledge 120 100 2 Hours
Total 240 questions 200 4 Hours

CDS 2025 Exam Syllabus

1. English

  • This section tests the candidate's understanding of the English language and their ability to use words effectively
  • Key topics include:​ Grammar and Usage: Spotting errors, sentence improvement, and correct usage of verbs, adjectives, and adverbs
  • ​IE Education+4Reddit+4EaseToLearn
  • com+4 Vocabulary: Synonyms, antonyms, and one-word substitutions
  • ​Reddit Comprehension: Reading passages followed by questions to assess understanding
  • ​Careers360+1Shiksha+1 Sentence Arrangement: Ordering of sentences to form coherent paragraphs
  • ​Reddit Idioms and Phrases: Understanding and usage of common idiomatic expressions
  • ​Adda247+4Reddit+4IE Education+4

2. General Knowledge

  • This section evaluates the candidate's awareness of current events and general understanding of various subjects
  • Topics include:​Current Affairs: National and international events, awards, sports, and important conferences
  • ​ History: Indian history, including ancient, medieval, and modern periods Geography: Physical, social, and economic geography of India and the world
  • ​ Polity: Indian Constitution, political system, and governance
  • ​ Economics: Basic economic concepts, Indian economy, and economic policies
  • ​ General Science: Fundamental concepts of physics, chemistry, and biology
  • ​ Defense-related Topics: Military exercises, defense organizations, and related developments
  • ​ Shape

3. Elementary Mathematics

  • Applicable only for candidates applying to IMA, INA, and AFA
  • This section tests basic mathematical skills
  • Topics include:​Arithmetic: Number systems, operations, and properties
  • ​ Percentages, ratios, and proportions
  • ​ Simple and compound interest
  • ​ Time and distance, time and work
  • ​ Profit, loss, and discount
  • ​ Algebra: Basic operations and factorization
  • ​ Linear equations and inequalities
  • ​ Quadratic equations
  • ​ Trigonometry: Trigonometric ratios and identities
  • ​ Heights and distances
  • ​ Geometry: Lines, angles, and triangles
  • ​ Properties of circles, rectangles, and squares
  • ​ Congruence and similarity of triangles Mensuration: Areas of squares, rectangles, triangles, and circles
  • ​ Surface area and volume of cuboids, cylinders, cones, and spheres
  • ​ Statistics: Collection and tabulation of data
  • ​ Measures of central tendency (mean, median, mode
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Home > Exams > CDS 2025

CDS 2025

Updated On 09 May, 2025 10:58

Ask Us

CDS 2025 Overview

The Combined Defence Services (CDS) Examination is a national-level exam conducted twice a year by the Union Public Service Commission (UPSC) to recruit candidates for the Indian Military Academy (IMA), Indian Naval Academy (INA), Air Force Academy (AFA), and Officers’ Training Academy (OTA). For the year 2025, CDS Exam I is scheduled on April 13, 2025, and CDS Exam II is set for September 14, 2025. The application process for CDS I 2025 concluded on January 1, 2025, while applications for CDS II 2025 are expected to be accepted from May 28 to June 17, 2025. The selection process includes a written examination followed by an interview conducted by the Services Selection Board (SSB). Candidates are advised to regularly check the official UPSC website for updates and detailed

📅

Exam Date

Expected on Exam Date: April 13 2025 (Sunday)​ , September 14, 2025 (Sunday)​.

🏛

Conducting Body

Union Public Service Commission (UPSC) (expected).

For IMA, INA, AFA

Section Subject/Test No. of Questions Marks Duration
Paper I English 120 100 2 Hours
Paper II General Knowledge 120 100 2 Hours
Paper III Elementary Mathematics 100 100 2 Hours
Total 340 questions 300 6 Hours

For OTA (Officers’ Training Academy)

Section Subject/Test No. of Questions Marks Duration
Paper I English 120 100 2 Hours
Paper II General Knowledge 120 100 2 Hours
Total 240 questions 200 4 Hours

CDS 2025 Exam Syllabus

1. English

  • This section tests the candidate's understanding of the English language and their ability to use words effectively
  • Key topics include:​ Grammar and Usage: Spotting errors, sentence improvement, and correct usage of verbs, adjectives, and adverbs
  • ​IE Education+4Reddit+4EaseToLearn
  • com+4 Vocabulary: Synonyms, antonyms, and one-word substitutions
  • ​Reddit Comprehension: Reading passages followed by questions to assess understanding
  • ​Careers360+1Shiksha+1 Sentence Arrangement: Ordering of sentences to form coherent paragraphs
  • ​Reddit Idioms and Phrases: Understanding and usage of common idiomatic expressions
  • ​Adda247+4Reddit+4IE Education+4

2. General Knowledge

  • This section evaluates the candidate's awareness of current events and general understanding of various subjects
  • Topics include:​Current Affairs: National and international events, awards, sports, and important conferences
  • ​ History: Indian history, including ancient, medieval, and modern periods Geography: Physical, social, and economic geography of India and the world
  • ​ Polity: Indian Constitution, political system, and governance
  • ​ Economics: Basic economic concepts, Indian economy, and economic policies
  • ​ General Science: Fundamental concepts of physics, chemistry, and biology
  • ​ Defense-related Topics: Military exercises, defense organizations, and related developments
  • ​ Shape

3. Elementary Mathematics

  • Applicable only for candidates applying to IMA, INA, and AFA
  • This section tests basic mathematical skills
  • Topics include:​Arithmetic: Number systems, operations, and properties
  • ​ Percentages, ratios, and proportions
  • ​ Simple and compound interest
  • ​ Time and distance, time and work
  • ​ Profit, loss, and discount
  • ​ Algebra: Basic operations and factorization
  • ​ Linear equations and inequalities
  • ​ Quadratic equations
  • ​ Trigonometry: Trigonometric ratios and identities
  • ​ Heights and distances
  • ​ Geometry: Lines, angles, and triangles
  • ​ Properties of circles, rectangles, and squares
  • ​ Congruence and similarity of triangles Mensuration: Areas of squares, rectangles, triangles, and circles
  • ​ Surface area and volume of cuboids, cylinders, cones, and spheres
  • ​ Statistics: Collection and tabulation of data
  • ​ Measures of central tendency (mean, median, mode

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