The National Defence Academy (NDA) examination is one of the most prestigious entrance exams in India for students who dream of joining the Indian Army, Navy, or Air Force. Every year, lakhs of students apply for the NDA exam conducted by UPSC.

If you are planning to appear for NDA 2026 and are unsure about the online registration process, this guide will help you complete your application successfully without making any mistakes.

What is the NDA Exam?

The NDA exam is conducted by the Union Public Service Commission (UPSC) to select candidates for the National Defence Academy and Naval Academy.

After qualifying for the written examination and SSB interview, candidates receive training to become officers in the Indian Armed Forces.

NDA Eligibility Criteria

Before applying, candidates must ensure they meet the eligibility requirements.

Educational Qualification

✔ Army Wing: Passed or appearing in Class 12

✔ Air Force & Navy Wings: Passed or appearing in Class 12 with Physics and Mathematics

Age Limit

Candidates should be within the age limit specified in the official UPSC NDA notification.

Nationality

Applicants must be Indian citizens or meet the nationality conditions mentioned by UPSC.

Documents Required for NDA Online Registration

Keep the following documents ready before starting the application process:

• Aadhaar Card
• Active Mobile Number
• Email ID
• Passport Size Photograph
• Signature Scan
• Class 10 Marksheet
• Class 12 Details (if applicable)
• Photo ID Proof

Step-by-Step Process to Register for NDA Exam Online

Step 1: Visit the Official UPSC Website

Go to the UPSC online application portal and open the NDA Examination registration page.

Always apply through the official UPSC website to avoid fraud or incorrect information.

Step 2: Complete One-Time Registration (OTR)

If you are applying for the first time, complete the One-Time Registration process.

Enter:

• Name
• Date of Birth
• Mobile Number
• Email Address
• Aadhaar Details
• Educational Information

Verify all details carefully.

Step 3: Login Using OTR Credentials

After successful registration, log in using your credentials and select the NDA Examination application form.

Step 4: Fill Personal Details

Provide accurate information regarding:

• Father’s Name
• Mother’s Name
• Address
• Category
• Nationality
• Communication Details

Any mismatch may create issues during document verification.

Step 5: Fill Educational Qualification Details

Enter details of:

• Class 10
• Class 12
• Appearing Status (if applicable)

Ensure all information matches your official documents.

Step 6: Select Preferred Examination Centre

Choose your preferred exam city carefully.

Popular NDA exam centres fill quickly, so apply early.

Step 7: Upload Photograph & Signature

Upload:

✔ Passport-size photograph

✔ Signature

Follow UPSC specifications regarding image size and format.

Step 8: Pay Application Fee

Complete the application fee payment through:

• UPI
• Debit Card
• Credit Card
• Net Banking

Keep the payment receipt for future reference.

Step 9: Review Your Application

Before final submission:

• Check spelling mistakes
• Verify educational details
• Confirm exam centre
• Review uploaded documents

A small mistake can lead to application rejection.

Step 10: Submit and Download Confirmation

After successful submission:

• Download the application form
• Save the payment receipt
• Keep a printout for future use

Congratulations! Your NDA application process is complete.

Common Mistakes Students Should Avoid

Many candidates lose opportunities because of simple errors:

• Wrong date of birth
• Incorrect educational details
• Blurred photograph
• Invalid signature upload
• Wrong email or mobile number
• Waiting until the last date

Avoid these mistakes to ensure smooth registration.

How to Prepare for NDA After Registration?

Once your registration is complete, focus on preparation immediately.

A strong NDA preparation strategy includes:

• Mathematics Practice
• General Ability Test Preparation
• Current Affairs
• Mock Tests
• Previous Year Papers
• SSB Interview Preparation

Students who begin preparation early generally perform better in the examination.

Why Choose Convex Classes for NDA Preparation?

Convex Classes Jaipur is one of the leading NDA coaching institutes helping students achieve their dream of joining the Armed Forces.

Our NDA preparation program includes:

• Expert Faculty
• Complete NDA Mathematics Coaching
• Daily Practice Questions
• NDA Mock Tests
• Crash Courses
• SSB Interview Guidance
• Performance Analysis
• Doubt Sessions

Thousands of students trust Convex Classes for quality NDA preparation and career guidance.

Final Thoughts

The NDA online registration process is simple if you follow the correct steps and verify all information carefully.

Apply early, avoid mistakes, and start your preparation immediately after registration.

If your dream is to wear the uniform and serve the nation, this is the first step toward achieving that goal.

Join Convex Classes Jaipur today and prepare confidently for NDA 2026 with expert guidance, mock tests, and result-oriented coaching.