ISRO Answer Key 2026 Out at isro.gov.in, Download Response Sheet PDF & Raise Objection

Indian Space Research Organisation (ISRO) has released the ISRO Answer Key 2026 on 25 September 2026 for the computer-based examination conducted for the various administrative and secretarial posts, including Assistants, Upper Division Clerk (UDC), Junior Personal Assistant (JPA), and Stenographer.

Candidates who participated in the ISRO Computer-Based Examination under Advt. No. ISRO ICRB:01(A-JPA):2026 can now check and download the response sheet PDF from the ISRO official website or raise objections, if any, till 28 September 2026 (2 pm). 

ISRO Answer Key 2026 Download Link

The official link to download the answer key for the Computer-Based Test (CBT) for the ISRO Recruitment Examination has been activated on the official website https://www.isro.gov.in/Careers.html. Download the response sheet and cross-check all questions asked in the examination.

ISRO Answer Key 2026 Link (Active) – Click to Download

How to Download ISRO Answer Key 2026?

1. Visit the official website of the Indian Space Research Organization (ISRO) at www.isro.gov.in.
2. Click on the CAREER section on the homepage.
3. Under the recruitment section, click on the link that reads “ADVT NO. ISRO: ICRB:01(A-JPA):2026 DATED 27.07.2026 – Candidates Response Sheet and Objection Management Portal – CBT Held on 21-09-2026 ”.
4. ISRO Answer Key PDF for Assistants, Upper Division Clerk (UDC), Junior Personal Assistant (JPA), and Stenographer posts appears on the screen.
5. Save and download the ISRO Answer Key PDF and cross-check your answers with the help of the Answer Key.

ISRO Answer Key 2026 Out

ISRO Raise Objection Process 2026

Once the provisional answer key is published, candidates who have any doubts about the correctness of a particular answer may submit their objections electronically to the concerned authority through the official Objection Management Portal. Candidates can submit objection from 25 to 28 September 2026. Along with the objection, candidates should also add supporting evidence or a reference when they raise the objection.

Click to Raise Objection to ISRO Answer Key 2026

How to Raise an Objection Against ISRO Answer Key 2026

• Open the official ISRO response sheet and objection portal.
• Log in using the required credentials.
• Open the Objection Management section.
• Check the questions and answers displayed on the portal.
• Select the question against which you want to raise an objection.
• Enter/select the relevant objection details.
• Upload relevant documents, if required by the portal.
• Review the objection.
• Submit the objection before the closing date.
• Save/download the confirmation for future reference.

How to Calculate Marks Using ISRO Answer Key?

A simple calculation would be: Candidates can then estimate their scores by cross-verifying their answers with those given in the provisional answer key and using the official marking scheme prescribed for the examination.

A simple calculation would be:

Estimated Score = Marks obtained for correct answers − 0.25 mark