CDS Full Form: What is the Full form of CDS Exam?

Combined Defence Services Exam 2025 ( CDS )

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Registration: 11 Dec '24 - 31 Dec '24

Updated on Aug 16, 2023 12:48 IST

CDS stands for Combined Defence Services. It is an exam conducted by the Union Public Service Commission (UPSC) twice a year to recruit candidates for IMA (Indian Military Academy), INA(Indian Naval Academy), AFA (Air Force Academy), and OTA (Officers' Training Academy). Read the complete details of the CDS exam in the article below.

CDS full form

What is CDS full form?

CDS Full Form: The Union Public Service Commission (UPSC) conducts the CDS exam to select candidates for admission to the Indian Military Academy (IMA), Indian Naval Academy (INA), Air Force Academy (AFA), and Officers Training Academy (OTA). CDS full form is the Combined Defence Services Examination. While some people also refer CDS full form as Chief of Defence Staff, this rank is given to the head of the Indian Armed Forces. In this article, we have explained in detail CDS full form.

Also Read:

What is CDS Full Form?

CDS full form is Combined Defence Services exam and is conducted twice a year in April and September. It is a national-level exam conducted to recruit candidates for officer posts. The selection process comprises written exam and SSB interview. The minimum educational qualification needed to appear for CDS exam is graduation from a recognised Indian university.

CDS Full Form Overview

Candidates can check below the overview of CDS 2023.

Parameters Details

Name of exam

Combined Defence Services Examination

Conducted  by

Union Public Service Commission (UPSC)

Exam level

National

Exam frequency

Twice a year (April and September)

Exam mode

Offline

Exam stages

Written exam and SSB Interview

No of questions

Elementary Maths: 100

General English: 120

General Knowledge: 120

No.of papers

Indian Military Academy (IMA), Indian Naval Academy (INA) and Air Force Academy (AFA): Three (English, General Knowledge, and Elementary Mathematics)

Officers’ Training Academy (OTA): Two (English and General Knowledge)

Total marks

Written Exam

IMA, INA and AFA: 300

OTA: 200

SSB Interview

IMA, INA and AFA: 300

OTA: 200

Marking scheme

One mark for the correct answer

0.33 marks deducted for wrong answers

CDS Full Form: Eligibility Criteria

To be eligible for the CDS exam, candidates need to fulfil the following CDS eligibility parameters.

CDS Age Limit

CDS age limit as per CDS 1 and 2 exams is given below.

CDS 1

  • For Indian Military Academy (IMA), unmarried male candidates born not earlier than January 2, 1999, and not later than January 1, 2004, are eligible to apply
  • For Indian Naval Academy (IMA), unmarried male candidates born not earlier than January 2, 1999, and not later than January 1, 2004, are eligible to apply
  • Candidates applying for Air Force Academy should be between 20 to 24 years as on January 1, 2023. They must have been born not earlier than January 2, 1999, and not later than January 1, 2003
  • For Officers’ Training Academy (SSC Course for men), unmarried male candidates born not earlier than January 2, 1998, and not later than January 1, 2004, are eligible to apply
  • For Officers’ Training Academy (SSC Women Non-Technical Course), candidates should be unmarried and born not earlier than January 2, 1998, and not later than January 1, 2004

CDS 2

  • Candidates for IMA should be unmarried and must have been born not earlier than July 2, 1999, and not later than July 1, 2004
  • Unmarried male candidates born not earlier than July 2, 1999, and not later than July 1, 2004, can apply for INA
  • To apply for AFA, the age of candidates should be between 20 and 24 years as on July 1, 2023. They must have been born not earlier than July 2, 1999, and not later than July 1, 2003. The upper age limit of candidates holding valid and current Commercial Pilot Licence issued by DGCA (India) is relaxed upto 26 yrs (i,e born not earlier than July 2, 1997, and not later than July 1, 2003)
  • To apply for the OTA course (SSC Men), candidates must be unmarried and must have born not earlier than July 2, 1998, and not later than July 1, 2004
  • Unmarried women, issueless widows who have not remarried and issueless divorcees who have not remarried are eligible to apply. They must have been born not earlier than July 2, 1998, and not later than July 1, 2004

CDS Qualification

  • For IMA and Officers’ Training Academy, the required educational qualification is Graduation in any discipline from a recognised university
  • For Indian Naval Academy, candidates must have a degree in Engineering from a recognised university
  • For Air Force Academy, candidates must have a degree in Engineering from a recognised university. They must have studied Physics and Mathematics in Class 12

CDS Physical Standards

The height and weight standards for CDS exam are given below.

Height in Centimetres (Without shoes)

Weight in Kgs.

Weight in Kgs.

Weight in Kgs.

Weight in Kgs.

 

18 years

20 years

22 years

24 years

152

44*

46

47

48

155

46

48

49

50

157

47

49

50

51

160

48

50

51

52

162

50

52

53

54

165

52

53

55

56

168

53

55

57

58

170

55

57

58

59

173

57

59

60

61

175

59

61

62

62

178

61

62

63

64

180

63

64

65

66

183

65

67

67

68

185

67

69

70

71

188

70

71

72

74

190

72

73

74

76

193

74

76

77

78

195

77

78

79

81

CDS Nationality 2023

Candidates for the CDS test must be single and one of the following:

A person of Indian descent who has migrated from Sri Lanka, Burma, Pakistan, and the East African nations of Uganda, Kenya, the United Republic of Tanzania, Zambia, Zaire, Malawi, and Ethiopia or Vietnam with the intention of permanently settling in India is considered to be either

  • an Indian citizen,
  • a subject of Nepal, or
  • a person of Indian origin.

Candidates in categories (ii) and (iii) must present their eligibility certificate, which was given by the Indian government. The requirement for an eligibility certificate. However, applicants who are Gorkha subjects of Nepal will not need a certificate of eligibility.

CDS Exam Pattern

CDS exam pattern 2023 is divided into a written exam and SSB Interview. The written exam for IMA, INA, and AFA comprises three sections: English, General Knowledge, and Elementary Mathematics. The test paper for admission to OTA comprises two sections: English and General Knowledge. Each section is held for two hours. The total marks of the test for IMA, INA, and AFA are 300, while it is 200 for OTA. The SSB Interview for IMA, INA, and AFA carries 300 marks each while it is 200 marks for OTA. The SSB Interview procedure consists of two stages: I and II. Stage I of SSB Interview comprises Officer Intelligence Rating (OIR) tests and Picture Perception Description Test (PP&DT) and Interview, Group Testing Officer Tasks, Psychology Tests, and Conference.

CDS Syllabus

CDS syllabus is given below for different subjects.

Subjects Topics

English

Antonyms, Sentence improvement, Comprehension, Synonyms, Spotting Errors, etc.

General Knowledge

Economics, Current Awareness, Defence, Biology, Physics, Chemistry, etc.

Elementary Maths

Arithmetic, Algebra, Trigonometry, Geometry, Mensuration, and Statistics, etc.

CDS Selection Process

The CDS selection process is divided into two stages-written exam and SSB interview. Candidates who qualify the written exam are called for SSB interview. To be acceptable, candidates have to secure the minimum qualifying marks separately in the written examination and SSB test as fixed by the Commission and Service Selection Board respectively. The candidates will be placed in the order of merit on the basis of the total marks secured by them in the written examination and in the SSB tests. The final selection will be made in order of merit subject to medical fitness and suitability in all other respects and number of vacancies available.

CDS Full Form Salary

The starting CDS salary, i.e. training stipend is INR 56,100 per month. On successful commissioning, the officer will be in the pay matrix of level 10. The rank-wise CDS salary is given in the table below.

Rank Level Salary (In INR)

Lieutenant

Level 10

56,100 -1,77,500

Captain

Level 10 B

61,300- 1,93,900

Major

Level 11

69,400-2,07,200

Lieutenant Colonel

Level 12A

1,21,200-2,12,400

Colonel

Level 13

1,30,600-2, 15,900

Brigadier

Level 13A

1,39,600-2,17,600

Major General

Level 14

1,44,200-2,18,200

Lieutenant General HAG Scale

Level 15

1, 82, 200-2,24,100

HAG Scale

Level 16

2,05,400 – 2,24,400

VCOAS/Army Cdr/ Lieutenant General (NFSG)

Level 17

2,25,000 (fixed)

COAS

Level 18

2,50,000 (fixed)

CDS Preparation Tips & Tricks

CDS is one of the most highly competitive exams in the country. To ace the competition, candidates need to follow a proper preparation strategy. Some tips and tricks to crack CDS exam are shared below:

  • Follow a proper preparation strategy
  • Understand the exam pattern and syllabus
  • Solve previous years' question papers
  • Cover all the topics given in the syllabus
  • Clear concepts of each and every topic

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chatAnything you would want to ask experts?
Write here...

Answered 4 days ago

Any OBC girl is free to apply for the CDS-I examination under reservation benefits extended by the government.

The eligibility of OBCs, including girls, is similar to that of general categories regarding age and educational qualifications. However, here his age limit has been relaxed and certain seat

...more

U

Udaya Bhaskar rao

Contributor-Level 10

Answered 2 weeks ago

You would be eligible to take the CDS (Combined Defence Services) exam in April 2025 if you were between the ages of 20 and 24 on January 1, 2025. You would be 24 years old in December 2024 because your birthday is December 15, 2000, hence you would be eligible to apply for the CDS exam in April 2

...more

K

Kritika Kumari

Contributor-Level 10

Answered 3 weeks ago

The highest rank attainable through CDs is the rank of general which is a 4-stared officer position.

it is a general in the army, Admiral in the Navy and  Air Chief Marshal in the Air Force.

and the lowest rank is lieutenant which is a 2 stared officer position.

A

Ankhi bhattacharya

Contributor-Level 7

Answered 3 weeks ago

The questions will consist of objective-type questions.

the total duration for the exam is 4 hours and is for a total of 200 marks for OTA.

The question papers for General Knowledge will be set in bilingually in Hindi and English. The exam will comprise 2 subjects, English and General Knowledge, and e

...more

A

Ankhi bhattacharya

Contributor-Level 7

Answered 3 weeks ago

The CDS 1 application form 2025 will be available from December 11 to 31, 2024. The CDS 1 2025 exam will be conducted on April 13, 2025. CDS 2 notification will be released in May 2025, the last date for application will be 17th June 2025 and the exam will be conducted on 14, September 2025.

A

Ankhi bhattacharya

Contributor-Level 7

Answered 2 months ago

The Union Public Service Commission released the CDS examination 2025 approximate number of vacancies. It is around 457 vacancies will be announced for various defence services.

S

Shikha Goyal

Contributor-Level 10

Answered 2 months ago

Candidates can download the UPSC CDS 1 2025 recommended marks by following the steps given below:

  • Go to the official website 
  • Click on the CDS 1 2025 recommended marks link 
  • Click on the PDF link 
  • The CDS 1 2025 recommended marks PDF will appear on the screen 
  • Download the CDS 1 2025 marks and save it fo

...more

S

Shikha Goyal

Contributor-Level 10

Answered 2 months ago

The CDS exam requires in depth knowledge and clarity of concepts or conceptual clarity. So, regular solving of mock tests of the CDS exam is essential. It provides an additional advantage that a candidate requires to succeed in the exam. It also helps to test the preparation level and evaluate the p

...more

S

Shikha Goyal

Contributor-Level 10

Answered 2 months ago

The CDS exam is conducted twice a year for admission to IMA, Indian Naval Academy, and Air Force Academy. Basically, it works as a tool for students to prepare for an upcoming exam. Candidate will get an idea of the actual examination. Mock tests make candidates realise their mistakes that must be t

...more

S

Shikha Goyal

Contributor-Level 10

Answered 2 months ago

The candidates who will qualify for the CDS 2 result in 2025 will proceed to the SSB interview. The CDS 2 result 2025 will be released on the official website. Basically, the result PDF, cut-off marks, and the final merit-list will guide candidates on their next steps, mainly for the SSB interview r

...more

S

Shikha Goyal

Contributor-Level 10