How to Correct Errors in Your NDA & CDS Application – Complete Guide

Have you submitted your NDA or CDS exam form and realized you made a mistake? Don’t panic. The Union Public Service Commission (UPSC) has made it easier for candidates to correct application errors through the Correction Window—a one-time opportunity to fix issues in your form.

In this blog, we’ll walk you through how to correct errors in your NDA & CDS application, what changes you’re allowed to make, and tips to avoid rejection.

📢 What is the UPSC Correction Window?

The Correction Window is a short period during which UPSC allows registered candidates to edit or update their application forms. It covers:

• ✅ Common Application Form (CAF)

• ✅ Examination-Specific Application Form

This facility is available for most UPSC exams including:

• CDS (Combined Defence Services)

• NDA & NA (National Defence Academy and Naval Academy)

  
  

📅 NDA & CDS (II) 2025 Correction Window Details

As per the Press Information Bureau notification dated 4th July 2025, UPSC has opened the correction window for:

• NDA & NA Examination (II), 2025

• CDS Examination (II), 2025

🗓 Correction Window Dates:

• Start: 7th July 2025 at 10:00 AM

• End: 9th July 2025 at 11:59 PM

🔗 Official Portal: https://upsconline.nic.in

✍️ What Can You Correct?

UPSC allows candidates to edit most of the key details. However, certain fields remain locked.

✅ You Can Edit:

• Full Name, Father’s/Mother’s Name

• Date of Birth

• Gender

• Category (GEN/OBC/SC/ST)

• Exam Centre

• Educational Qualifications

• Disability Status

• Contact Details

• Photograph and Signature (re-upload if blurry or incorrect)

❌ You Cannot Edit:

• Your exam preference (e.g., switch from NDA to CDS)

• Application withdrawal after correction

• Multiple corrections in the same field

  
  

🧭 Step-by-Step Guide to Correct NDA & CDS Application Form

Here’s a simple step-by-step process to use the correction window:

✅ Step 1: Visit the UPSC Online Portal

Go to: https://upsconline.nic.in

✅ Step 2: Click on “One Time Correction Module”

You’ll find this under the "Active Examinations" or "What’s New" section on the homepage.

✅ Step 3: Login with Your Credentials

Use your Registration ID and Password to log in. Complete the CAPTCHA to proceed.

✅ Step 4: Select the Exam

Choose:

• CDS (II) 2025

• or NDA & NA (II) 2025

Then click "Proceed to Correction.

✅ Step 5: Edit Common Application Form

You’ll be able to correct basic personal details like:

• Name

• Date of Birth

• Gender

• Address

• Email/Phone number

Click "Save and Continue" after reviewing changes.

✅ Step 6: Edit Examination Application Form

Update information such as:

• Exam center preferences

• Educational qualifications

• Upload new photo or signature if needed

Click “Submit” to confirm changes.

✅ Step 7: Final Submission

Once you’ve reviewed all changes, click on “Final Submit.” ⚠️ No further changes will be allowed after this point.

✅ Step 8: Download and Save Corrected Form

Always download and keep a copy of the corrected form for future reference.

⚠️ Important Reminders

• The correction window is available only once—make all corrections carefully.

• There is no additional fee for using the correction window.

• Late corrections will not be accepted under any circumstances.

• Make sure your photo and signature meet UPSC specifications:

  • JPG format

  • 20KB–300KB size

  • Clear background and latest photo

  
  

🧠 Pro Tips to Avoid Mistakes in Future Applications

• Always double-check your application before final submission.

• Keep your original documents (10th/12th marksheet, Aadhaar) nearby while applying.

• Use a laptop or desktop for better visibility and fewer errors.

• Save a PDF copy of your original and corrected form.

• Read the official UPSC instructions carefully.

✅ Summary Table – NDA/CDS Application Correction Guide

Task	Status
Correction Window Open	✅ 7th–9th July 2025
Official Website	✅ https://upsconline.nic.in
Editable Fields	✅ Name, DOB, Category, Exam Centre, Photo
Final Submit	✅ Only once per field
Correction Fee	❌ No charge

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