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CDS Eligibility Criteria 2026 Detailed Breakdown for Aspirants

CDS Eligibility Criteria 2026 Detailed Breakdown for Aspirants

April 18, 2026
Understand the complete CDS eligibility criteria 2026, including age limit, educational qualifications, physical standards, and selection process for IMA, INA, AFA, and OTA. This guide helps aspirants evaluate their eligibility and prepare effectively for each stage, from the written exam to the SSB interview. Get clarity on requirements and boost your chances of joining the Indian Armed Forces with the right preparation strategy.

CDS Eligibility Criteria 2026 Detailed Breakdown for Aspirants

The Combined Defence Services (CDS) exam is one of the biggest exams in India held to recruit students into the Indian military forces after their training at official academies. Millions of candidates appear for this exam annually, while a very small percentage of them succeed in clearing it. If you wish to be a part of the Indian military, understanding the CDS eligibility criteria 2026 is important before you start preparing for it. This eligibility criterion consists of several factors, such as age limit, physical fitness requirements, along with proper knowledge of the exam process, and much more.

What is CDS Exam?

The CDS exam is conducted twice a year by the Union Public Service Commission (UPSC). Clearing this exam decides a candidate’s entry into the Indian Military Academy (IMA), Indian Naval Academy (INA), Air Force Academy (AFA), and Officers Training Academy (OTA). Their entry into one of the four academies is based on their scores, preferences, and the eligibility criteria that they meet. 


The different stages of this exam are the written exam, SSB interview, medical examination, and document verification. For their preparation to clear these stages, the majority of students take admission in a CDS crash course.

What is the CDS Eligibility Criteria 2026?

The CDS eligibility criteria 2026 include nationality, age limit, educational qualification, physical fitness, medical fitness, and marital status, and define who can apply for CDS 2026. Additionally, it differs for all four academies. 


1. Indian Military Academy (IMA)

At the IMA, candidates are trained to be recruited in the Indian Army as Permanent Commissioned (PC) officers. Entry into this academy is the most preferred choice of CDS aspirants. Here is the CDS qualification for IMA.


  • CDS Age Limit 2026: 19 to 24 years

  • Educational Qualification: Bachelor’s degree in any discipline from a recognized university

  • Marital Status: Unmarried males only


2. Indian Naval Academy (INA)

The INA trains candidates to be a part of the Indian Navy as Permanent Commissioned (PC) officers. It is preferred less than IMA due to the requirement of a very specific technical background in one’s education. Here is the CDS qualification for INA.


  • Age Limit: 19 to 24 years

  • CDS Educational Qualification: Bachelor of Engineering

  • Marital Status: Unmarried males only


3. Air Force Academy (AFA)

AFA, as its name suggests, prepares candidates to join as Permanent Commissioned (PC) officers in the Indian Air Force. Compared to IMA and INA, the CDS qualification for AFA is much stricter, especially in terms of education, medical and vision standards, and age.


  • Age Limit: 20 to 24 years

  • Educational Qualification: Bachelor’s degree with Physics and Mathematics at 10+2 level or Bachelor of Engineering

  • Marital Status: Unmarried males. Candidates above 25 are eligible to be married but cannot live with their family during training. 


4. Officers Training Academy (OTA)

The OTA is the only academy under CDS that allows both men and women candidates to apply. Additionally, it is also the only academy under CDS that offers Short Service Commission (SSC) positions where candidates serve for a limited duration. Below is the CDS qualification for OTA.


  • Age Limit: 19 to 25 years

  • Educational Qualification: A Bachelor’s degree in any discipline from a recognized university

  • Marital Status: Unmarried women, widowed and not remarried women, and divorced women with all divorce documents, are eligible along with unmarried men

What are the CDS Physical Fitness Requirements?

If you are preparing to serve in the Indian military, physical fitness is a non-negotiable aspect. The majority of the candidates who are academic toppers get rejected as they do not meet the CDS physical eligibility. 


  • Height - Minimum height required for male students is 157.5 cm (162.5 cm for AFA and 157 cm for INA), while for female students, it is 152 cm.

  • Height relaxations are provided to students from Northeast India, Garhwal, Kumaon, Gorkhas (5.5 cm relaxation), and Lakshadweep (2 cm relaxation).

  • Weight - The weight requirement differs according to the height of the candidate. Candidates who are underweight or overweight in proportion to their height are seen as unfit according to the CDS physical fitness requirements and hence eliminated from the process.

  • Vision Requirements - The distance vision (corrected) of candidates should be 6/6 in the better eye and 6/12 in the worse eye for both male and female aspirants.

  • Myopia should not be more than -3.5 D for male candidates and -5.5 D for female candidates.

  • Hypermetropia should be less than 3.5 D, including Astigmatism.

  • Air Force candidates must not wear spectacles.

  • Colour Perception - CP-II

  • Vision standards vary for AFA and INA candidates.

What is the CDS Exam Process?

The CDS exam process consists of multiple stages, testing the candidates for their intellectual and personality traits. This selection process is conducted in accordance with the CDS eligibility criteria list. Preparing for all these stages and cracking them is very tough for the majority of the students, which is why they attempt the exam after enrolling in a CDS crash course with quick preparation.


1. Written Examination

The first part of the CDS process, and also a major component of the CDS eligibility requirements 2026, is to clear the written exam cut-off. The written exam tests the academic knowledge of candidates and basic aptitude. The subjects in this stage differ slightly for OTA compared to other academies. However, each of them is conducted for 100 marks for a duration of 2 hours.


  • IMA, INA, AFA: English, General Knowledge, and Elementary Mathematics

  • OTA: English and General Knowledge


2. SSB Interview

The Services Selection Board (SSB) interview evaluates several Officer-Like Qualities (OLQs) in a candidate. It is conducted over 5 days in two stages and is considered the toughest part of the entire CDS process for several different reasons.


  • Day 1: Screening test

  • Day 2: Psychological tests

  • Day 3 and 4: Group Testing Officer (GTO) tasks

  • Day 5: Conference round


3. Medical Examination and Document Verification

Another major part, and also the final part of the CDS selection process in CDS eligibility for final year students as well as graduates, is that of medical examination and document verification. Only the candidates who get recommended by SSB can attend this stage. It includes:


  • Complete body check-up

  • Vision and hearing tests

  • Orthopedic and internal health evaluation

  • Verification of documents

Conclusion

The CDS eligibility criteria 2026 are a very defined list of requirements that a candidate needs to fit into to clear the CDS and be eligible for training at INA, IMA, AFA, or OTA. Even though clearing this exam is the dream of every candidate who appears for it, preparing to meet the physical requirements and to crack the written exam simultaneously is not something everybody can do on their own.


To get the best possible preparation that can help you clear all stages of the CDS exam, enroll at Prahar Defence Academy, the best CDS coaching in Nagpur that you can find.

FAQs

Q. Can I apply for CDS in final year?

Yes, you can apply for CDS in the final year of your graduation if you do not have any backlogs at the time of your application.


Q. Can girls be eligible for CDS?

Girls are eligible for CDS but only to join the Officers Training Academy (OTA), provided they are unmarried, widows who have not remarried, and divorcees who have not remarried and possess divorce documents.


Q. Is CDS tougher than NDA?

Yes, CDS is a tougher exam than NDA as it tests your graduate-level knowledge and makes you face in-depth questions.


Q. How many CDS attempts can I give?

There is no limit to the number of attempts you can give for CDS. You can keep on giving the exam as long as you meet the age limit and other eligibility requirements.


Q. Can I clear CDS without coaching?

While it is possible to clear CDS without coaching, students who prepare through self-study face huge difficulty in clearing the exam. Hence, enrolling in a coaching academy for CDS preparation and experiencing training from professional coaches and ex-military officers is recommended.