New Upcoming Batches -NDA 2024 Batch Starting From (27 January 2024), CDS/OTA 2024 Batch Starting From (30th January 2024), AFCAT 2024 Batch Starting From (5th Febuary 2024) NDA Foundation 2024 Batch Starting From (1th April 2024) SSB-Interview Starts From Every Monday


Best Coaching FOR CDS

Mentors defence institute, is known as best Academy for Top CDS written coaching in dehradun . we provide coaching for CDS (IMA /AFA /OTA /NAVAL ACADEMY) written examinations.

We have a very accomplished faculty that is highly trained for providing an insight to student regarding CDS (IMA/AFA/OTA/NAVAL ACADEMY) written examinations.

The “Combined Defence Services” (CDS) Examination is conducted twice a year by the Union Public Service Commission (UPSC) for the recruitment of candidates into the Indian Military Academy, Officers Training Academy, Indian Naval Academy and Indian Air Force Academy. The UPSC will conduct the CDS exam twice a year in the month of February and September.

Candidates who aim to serve the nation by joining the defence forces can start applying for the CDS examination. In order to apply online for the CDS examination, candidates should meet all the eligibility requirements set by the Commission. The selection of the candidates will be based on the written examination followed by an interview for intelligence and personality test. The shortlisted candidates will be placed at the respective academies based on the preference and merit.

About the Examination

A career in defence services is the much sought after occupation today for those young and courageous youths of the country who are willing to dedicate their lives to defend the country and its people, the combined defence services examination is the first test before they can join one of the best defence forces in the world i.e the Indian Armed Forces.

UPSE conducts the Combined Defence Services Exam twice every year generally in February and August for recruiting officers for the Indian Military Academy. Male candidates can join IMA, Naval and Air Force but for female OTA in army is available.

The examination comprises of two stages the first stage consists of written test and those who qualify the written test are called for interview by Service Selection Board (SSB) for intelligence and Personality Test.


A candidate must be either

  • Indian citizen, or
  • A subject of Bhutan, or
  • A subject of Nepal, or
  • A Tibetan refugee who came over to India before 1st January, 1962 with the intention of permanently setting in India, or

A person of Indian origin who has migrated from Pakistan, Burma, Sri Lanka and East African country of Kenya, Uganda, the United Republic of Tanzania, Zambia, Malawi, Zaire and Ethiopia and Vietnam with the intention of permanently setting in India.
Provided that a candidate belonging to categories (ii), (iii), (iv) and (v) above shall be person in whose favour a certificate of eligibility has been issued by the Government of India. Certificate of eligibility, will not , however, be necessary in the case of candidate who are Gorkha subjects of Nepal.

Age Limit, Sex and Marital Status

(i) For IMA and Indian Naval Academy-unmarried male candidates having age not less than 18 years on 1st July and not more than 23 years on 2nd July in accordance with the year of examination are eligible.

(ii) For Air Force Academy-male candidates having age not less than 19 years as on 1st July and not more than 23 years as on 2nd July in accordance with the year of examination. (upper age relation of upto 26 years for candidates holding Commercial Pilot License issued by DGCA).

(iii) For Officer’s Training Academy-male candidates (married or unmarried) and female candidates (unmarried and issueless widows or divorces who have not remarried) having age not less than 18 years as on 1st July and not more than 24 years as on 2nd July in accordance with the year of examination are eligible.

Educational Qualification

(i) For IMA/OTA a degree from a recognised university or equivalent.

(ii) For Naval Academy degree in engineering from a recognised university.

(iii) For Air Force Academy degree from a recognised university (with Physics and Mathematics at 10+2 level) or Bachelor of Engineering.

Examination Pattern

(i) The written examination will be as follows:

No. of Questions
Max. Marks
2 hours
General Knowledge
2 hours
Elementary Mathematics
2 hours

Note– For admission in OTA, candidates are required to give only English and General knowledge papers of 200 marks. One third of the marks will be deducted for each wrong answer.

(ii) The SSB procedure consists of two stage selection process. Only those candidates who clear the stage I are permitted to appear for stage II.

  • Stage I comprises of Officer Intelligence Rating (O1R) tests and Picture Perception, Description Test (PP and DT)
  • Stage II comprises of Interview Group Testing Officer tasks, Psychology Tests and the Conference. These tests are conducted over 4 days.
Scroll to Top

Calculate Your Age To Current Date
Your Birth Date

Enquiry Now