ISRO Answer Key 2026 Released for UDC, Assistant, JPA & Stenographer Posts – Download Response Sheet PDF & Raise Objections

ISRO UDC, Assistant, JPA & Stenographer Answer Key 2026 Out

The Indian Space Research Organisation (ISRO) has officially released the provisional answer key for the Computer-Based Test (CBT) conducted on 21 September 2026. The answer key covers the recruitment of Assistant, Junior Personal Assistant (JPA), Upper Division Clerk (UDC), and Stenographer posts under Advertisement No. ISRO:ICRB:01(A-JPA):2026. Candidates who appeared in the examination can now access their response sheets and provisional answer keys through the official ISRO recruitment portal.

Key Highlights

• Organization: Indian Space Research Organisation (ISRO)
• Recruitment Board: ISRO Centralised Recruitment Board (ICRB)
• Posts: Assistant, JPA, UDC, Stenographer
• Advertisement No.: ISRO:ICRB:01(A-JPA):2026
• CBT Date: 21 September 2026
• Answer Key Release Date: 25 September 2026
• Last Date to Raise Objection: 28 September 2026 (10 AM)
• Mode: Online
• Objection Fee: ₹100 per question (refundable if objection is accepted)
• Official Website: isro.gov.in

How to Download ISRO Answer Key 2026?

1. Visit the official ISRO website at isro.gov.in.
2. Navigate to the Careers section.
3. Find the recruitment notice for Assistant, JPA, UDC, and Stenographer posts.
4. Click on the provisional answer key/response sheet link.
5. Enter your login credentials (registration number and password/date of birth).
6. Submit the details.
7. View and download your response sheet along with the provisional answer key.
8. Save the PDF for future reference and expected score calculation.

Details Available in the Answer Key Portal

• Candidate details
• Exam details (date, shift, etc.)
• Question ID
• Candidate's recorded response
• Correct answer as per provisional key
• Question/shift details
• Objection instructions

Objection Window – Raise Objections Against Provisional Key

The released answer key is provisional. Candidates who find discrepancies in any answer can challenge it through the official objection facility. The objection window is open from 25 September to 28 September 2026 (10 AM). A fee of ₹100 per question must be paid, along with applicable bank charges. If the objection is accepted, the fee will be refunded.

Steps to Raise Objection:

1. Visit the ISRO recruitment portal.
2. Open the link for raising objections against the provisional answer key.
3. Log in using the required credentials.
4. Select the question you want to challenge.
5. Choose or enter the correct answer as per your claim.
6. Upload supporting evidence/documents, if required.
7. Pay the objection fee.
8. Submit the objection form and save the confirmation page.

How to Calculate Expected Marks?

Candidates can estimate their scores using the response sheet and provisional answer key. The formula is:

Estimated Score = (Number of Correct Answers × Marks per Correct Answer) − (Number of Incorrect Answers × Negative Marks)

Check the official notification for the exact marking scheme and negative marking details.

What Happens After the Provisional Answer Key?

After the objection window closes, ISRO will review all objections. The final answer key will be prepared based on the accepted objections. This final answer key will be used for evaluating the CBT and preparing the ISRO UDC and Assistant Result 2026. Candidates are advised to keep checking the official website for updates on the final answer key and result declaration.

Frequently Asked Questions (FAQs)

Q1. When was the ISRO UDC and Assistant Answer Key 2026 released?
The provisional answer key was released on 25 September 2026.

Q2. What is the last date to raise objections?
The last date to raise objections is 28 September 2026 (10 AM).

Q3. What is the objection fee?
₹100 per question. The fee is refundable if the objection is accepted.

Q4. Where can I download the answer key?
The answer key and response sheet are available on the official ISRO website isro.gov.in.

Q5. When will the final answer key be released?
The final answer key will be released after reviewing all objections. Keep checking the official portal for updates.