The National Defence Academy (NDA) is a prestigious institution that trains young cadets for the Indian Armed Forces. This article breaks down “What is the NDA selection process?” for you. By understanding each step, you’ll know exactly how to join NDA and achieve your dream of serving the nation.

NDA Selection Eligibility Criteria 2025

Before learning how to join the National Defence Academy, ensure you meet the eligibility criteria:

• Age Limit: Candidates must be between 16.5 and 19.5 years old.
• Educational Qualification: For the Army wing, candidates must have passed 10+2. For Air Force and Navy, candidates need a 10+2 with Physics and Mathematics.
• Nationality: Applicants must be Indian citizens or meet specific criteria outlined by the Union Public Service Commission (UPSC).

These criteria are the foundation for proceeding with the NDA selection process 2025.

Also Read: UPSC NDA Eligibility 2025

NDA Selection Written Examination

The first step of the selection process is the written exam, conducted by UPSC. It consists of two papers:

 NDA Selection Services Selection Board (SSB) Interview

The SSB interview is the most challenging and crucial part of the steps of the NDA selection process. Spanning over five days, it evaluates your personality, decision-making skills, and leadership potential. The SSB process includes:

• Screening Test: Consists of Picture Perception and Description Test (PPDT) and verbal and non-verbal reasoning.
• Psychological Test: Assesses your mental and emotional attributes.
• Group Testing Officer (GTO) Tasks: Includes group discussions, obstacle races, and command tasks to evaluate teamwork and leadership.
• Personal Interview: A one-on-one session to gauge your motivation and suitability for a career in the Armed Forces.
• Conference: The final assessment where the board decides whether you qualify.

Documents Required for SSB Interview

Candidates selected for the interview must carry the following documents:

•       Original Class 12 passing certificate or equivalent as proof of educational qualification.
•       Certificate of eligibility for specific categories of students.
•       Caste certificate, if applicable, for SC, ST, OBC, etc.
•       Proof of identity and address (Aadhar Card, Voter ID, Passport, or Residence Certificate).

NDA Selection Medical Examination

After clearing the SSB, candidates undergo a medical examination. This step ensures you meet the physical and medical standards required for military training. Common criteria include:

• Height and Weight: Proportional to age and gender.
• Vision Standards: No significant eye defects, with minimum corrected vision of 6/6.
• Hearing: No major hearing impairments.
• General Health: Free from chronic diseases or conditions that could hinder rigorous training.

NDA Selection Final Merit List

The final merit list is prepared based on your performance in the written exam and the SSB interview. UPSC releases the list, and selected candidates are offered admission into the NDA. Once selected, you begin training to serve in the Army, Navy, or Air Force.

NDA Selection Ratio

The selection ratio for the National Defence Academy (NDA) is around 5–6% of those who qualify for the SSB interview. This means that about 350–400 students are recommended for admission to the NDA each year.

NDA Selection Process: Step-by-Step Guide

Step 1: Application Submission: Candidates need to complete and submit their applications online through the UPSC website.

Step 2: Written Exam: The written exam consists of two papers: Mathematics and General Ability Test. The duration of the exam is 180 minutes with objective-type questions. Candidates must secure minimum qualifying marks to proceed further.

Step 3: Results of Written Exam: UPSC releases the written exam results, indicating candidates qualified for the SSB interview.

Step 4: SSB Interview Call: Qualified candidates receive call letters for the SSB interview, scheduled over 4-5 days.

Step 5: SSB Interview (Stage I): Includes Officer Intelligence Rating (OIR) Test and Picture Perception & Description Test (PP & DT).

Step 6: SSB Interview (Stage II): Consists of Interviews, Group Testing Officer (GTO) Tasks, Psychology Tests, and Conferences.

Step 7: Medical Examination: Candidates recommended by the SSB undergo a comprehensive medical examination at a Military Hospital. Female candidates must provide detailed gynaecological, obstetric, and menstrual history.

Step 8: Final Merit List: UPSC prepares the final merit list based on the written exam and SSB interview marks. Medical fitness is crucial for the final selection.

Step 9: Document Verification: Selected candidates need to present original documents for verification, including education certificates, category certificates, and identity/address proof.

Step 10: Admission and Training: Final selected candidates join the National Defence Academy (NDA) or Indian Naval Academy (INA) based on preferences, merit, and vacancies. Training at NDA spans three years, followed by further training at respective service academies.

Tips for Succeeding in the NDA Selection Process

1. Focus on Physical Fitness: Begin preparing well in advance to meet the physical standards.
2. Enhance Communication Skills: Clear articulation is critical during the SSB interview and group tasks.
3. Practice Logical Reasoning: Strengthen your reasoning and problem-solving skills for both the written exam and interview.
4. Stay Informed: Keep up with current events to excel in the GAT section of the written test.

Understanding what is NDA selection process and preparing systematically can significantly boost your chances of success.

NDA Selection Process FAQs

1. What is the NDA selection process?
   The NDA selection process involves a written exam, SSB interview, medical examination, and final merit list to evaluate candidates for admission to the National Defence Academy.
2. How do I join the National Defence Academy in 2025?
   To join the NDA in 2025, meet the eligibility criteria, apply through UPSC, clear the written exam and SSB interview, pass the medical test, and make it to the final merit list.
3. What is the process of selection in NDA?
   The process includes a written test, a five-day SSB interview assessing personality and leadership, a medical fitness evaluation, and ranking in the final merit list.
4. How can I prepare for the NDA exam?
   You can prepare by studying the syllabus, solving previous year question papers, improving physical fitness, and practicing communication and reasoning skills for the SSB.
5. What are the eligibility criteria for NDA?
   Candidates must be aged 16.5 to 19.5 years, have passed 10+2 (with Physics and Mathematics for Air Force/Navy), and meet nationality and physical fitness standards.