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UPSC CDS (Combined Defence Services) Answer Key 2026

After the UPSC CDS (Combined Defence Services) 2026 exam, the conducting body releases the provisional answer key (and usually your response sheet) and opens a short objection window. CDS I written exam: April · CDS I SSB: July-September · CDS I final merit and commissioning: roughly June of the year AFTER the written. CDS II written exam: September · CDS II SSB: January-March · CDS II final merit and commissioning: roughly January of the year AFTER the SSB. Total cycle length is approximately 14-18 months from notification to commissioning. Here is how to check it and challenge a wrong key.

How to check the UPSC CDS (Combined Defence Services) answer key & raise objections

  1. Open the official website. Go to the official UPSC CDS (Combined Defence Services) website (linked below) and open the "Answer Key" / "Response Sheet" link for the current cycle.
  2. Log in and download your response sheet. Log in with your credentials to download the provisional answer key and your recorded responses.
  3. Calculate your expected score. Match your responses against the key and apply the exam's marking scheme (including negative marking) for an expected score.
  4. Raise objections within the window. If a key looks wrong, submit an objection with supporting proof within the official window (usually a few days, often with a per-question fee that is refunded if upheld).

Official UPSC CDS (Combined Defence Services) links

UPSC CDS (Combined Defence Services) answer key — FAQs

How do I raise an objection on the UPSC CDS (Combined Defence Services) answer key?

Log in to the official UPSC CDS (Combined Defence Services) website during the objection window, select the disputed question, submit your justification with proof, and pay the per-question fee (refunded if your objection is upheld).

Where do I download the UPSC CDS (Combined Defence Services) official answer key?

The provisional UPSC CDS (Combined Defence Services) answer key and response sheet are released on the official website after the exam. Download links and steps are above; watch the live updates below for the release.

While you wait for the dates — keep practising.

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