ISRO Scientist Engineer Answer Key 2026 Out: Download Response Sheet PDF, Raise Objections

Indian Space Research Organisation has released the answer key for the Scientist/Engineer 'SC' recruitment exam on 12 November 2026 under Advertisement Number ISRO ICRB:03(EMC):2026. Candidates who appeared for the Computer Based Test (CBT) held on 29 October 2026 can now check their responses and compare them with the official key.

The recruitment drive is being conducted for 175 vacancies, including backlog posts, across Electronics, Mechanical, and Computer Science disciplines at ISRO Centres and the Physical Research Laboratory (PRL). Candidates who identify discrepancies in the released answer key can submit their objections online until 15 November 2026.

Candidates can also check the ISRO Scientist Engineer Admit Card 2026 for details about the hall ticket and examination instructions.

ISRO Scientist Answer Key 2026 PDF Download

The official answer key for the ISRO Scientist/Engineer 'SC' examination is now available on the recruitment portal. Candidates who took the CBT can access their recorded responses by logging in to the portal and review the answers before the objection window closes.

ISRO Scientist Answer Key 2026 PDF Download

ISRO Scientist Engineer Answer Key 2026 Overview

The key details regarding the ISRO Scientist/Engineer 'SC' recruitment exam and the official answer key release are summarised below.

Steps to Download ISRO Scientist Engineer Answer Key 2026

Candidates can follow these official steps to access their answer keys and recorded responses from the recruitment portal:

1. Visit the official ISRO website at isro.gov.in.

2. Open the Careers section and select the ICRB recruitment portal.

3. Click on the answer key link for Advertisement No. ISRO ICRB:03(EMC):2026.

4. Log in with your registration number and password.

5. Check your responses against the official answer key.

6. Download the key and keep a printout for reference.

For the revised examination schedule, candidates can refer to the ISRO ICRB Scientist Engineer New Exam Date 2026 update.

Objection Window Guidelines

Candidates who find any error or discrepancy in the provisional answer key can submit objections through the official portal. The online challenge submission window remains open until 15 November 2026.

Physics Wallah advises candidates to carefully verify their question paper and responses against the official key before submitting challenges through the official portal at isro.gov.in.