ISRO Scientist Engineer Answer Key 2026 Out: The Indian Space Research Organisation (ISRO) has released the answer key for the Scientist/Engineer ‘SC’ recruitment under Advertisement No. ISRO:ICRB:03(EMC):2026. Candidates who appeared in the Computer Based Test (CBT) can now check the answer key and raise objections against it through the link given on the official ISRO website.
The answer key and objection portal opened on 12 November 2026 at 1:00 PM and will remain open only till 15 November 2026 at 1:00 PM. Candidates should check their responses against the official answer key and submit objections, if any, before the last date and time. Objections sent after the deadline, or through any other mode, will not be considered by ISRO.
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ISRO Scientist Engineer Answer Key 2026 Overview
| Organization | Indian Space Research Organisation (ISRO) |
| Post Name | Scientist/Engineer ‘SC’ |
| Advertisement Number | ISRO:ICRB:03(EMC):2026 dated 27 August 2026 |
| Recruitment | Centralised Recruitment by ICRB |
| Location | Bengaluru |
| Answer Key Status | Released |
| Answer Key Objection Dates | 12 November 2026 (1:00 PM) to 15 November 2026 (1:00 PM) |
| Exam Date | 29 October 2026 |
| Official Website | isro.gov.in |
The Scientist/Engineer ‘SC’ recruitment is conducted by the ISRO Centralised Recruitment Board (ICRB) for various ISRO centres. The online application process for this advertisement closed on 16 September 2026. The CBT was first scheduled for 19 October 2026 and was later postponed to 29 October 2026. Now ISRO has released the answer keys of the examination and has given candidates a short window of three days to check them and raise objections.
ISRO Scientist Engineer Answer Key 2026 Important Dates
| Event | Date |
| Advertisement Released | 27 August 2026 |
| Last Date to Apply Online | 16 September 2026 |
| CBT Exam Date | 29 October 2026 |
| Answer Key Released and Objection Portal Opens | 12 November 2026 at 1:00 PM |
| Last Date to Raise Objections | 15 November 2026 at 1:00 PM |
Objections can be raised only through the link given on the ISRO recruitment page. As per the notice on the official website, objections must be submitted on or before 15 November 2026 at 1:00 PM, and only the answer keys available on the portal should be used for raising objections.
How to Check ISRO Scientist Engineer Answer Key 2026
Candidates can check the ISRO Scientist Engineer answer key 2026 by following the simple steps given below:
- Visit the official website of ISRO, isro.gov.in.
- Go to the Careers page and open the link for the recruitment to the post of Scientist/Engineer ‘SC’ (Advt. No. ISRO:ICRB:03(EMC):2026).
- On the recruitment page, click on the link “Click here for Answer Keys and Objections”.
- Log in to the answer key portal with your Application Number and Date of Birth.
- Check the answer key and your responses, and download or save it for future reference.
Important: The answer key portal remains open only from 12 November 2026 at 1:00 PM to 15 November 2026 at 1:00 PM. Candidates should check the answer key and raise objections, if any, well before the closing time, because the link will be closed after the last date and time.
How to Raise Objections on ISRO Scientist Engineer Answer Key 2026
If a candidate finds any answer in the official answer key to be wrong, the candidate can raise an objection against that question through the same answer key portal. Objections must be raised only through the link given on the ISRO website, on or before 15 November 2026 at 1:00 PM.
- Log in to the answer key portal using your Application Number and Date of Birth.
- Select the question against which you want to raise an objection.
- Give the correct answer with proper justification or supporting reference, if asked.
- Submit the objection before 15 November 2026 at 1:00 PM and keep a copy of the submitted objection.
ISRO will examine all the objections received within the time limit and will prepare the final answer key after considering them. The final result will be based on the final answer key, so candidates should check each question carefully.
ISRO Scientist Engineer Final Answer Key for URSC
ISRO has also released the final answer keys for the Scientist/Engineer ‘SC’ post under the URSC advertisement (URSC:01:2026). These final answer keys are for the examination held on 27 September 2026, including the Industrial Engineering discipline. Candidates of that recruitment can check the final answer keys from the ISRO Careers page on the official website.
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Important Links
| ISRO Scientist Engineer Recruitment Page – Answer Key and Objections | Click Here |
| ISRO Careers Page | Click Here |
| ISRO Official Website | Click Here |
FAQs – ISRO Scientist Engineer Answer Key 2026
Is the ISRO Scientist Engineer Answer Key 2026 out?
Yes, ISRO has released the answer key for the Scientist/Engineer ‘SC’ recruitment under Advertisement No. ISRO:ICRB:03(EMC):2026. The answer key and objection portal opened on 12 November 2026 at 1:00 PM and will close on 15 November 2026 at 1:00 PM.
What is the last date to raise objections on the ISRO Scientist Engineer answer key?
The last date to raise objections is 15 November 2026 at 1:00 PM. Objections must be submitted only through the link given on the ISRO recruitment page, and objections received after the deadline will not be considered.
What is the exam date of the ISRO Scientist Engineer 2026 recruitment?
The Computer Based Test for the ISRO Scientist/Engineer ‘SC’ recruitment (Advt. No. ISRO:ICRB:03(EMC):2026) was held on 29 October 2026. It was earlier scheduled for 19 October 2026 and was postponed to 29 October 2026.
How can I check the ISRO Scientist Engineer answer key 2026?
Visit isro.gov.in, open the Careers page, and go to the recruitment page for Scientist/Engineer ‘SC’ (Advt. No. ISRO:ICRB:03(EMC):2026). Click on the link “Click here for Answer Keys and Objections” and log in with your Application Number and Date of Birth to check the answer key.