Table of Contents
The Indian Space Research Organisation (ISRO) has released the ISRO Scientist Engineer Answer Key 2026 for the Computer-Based Test (CBT) conducted for Scientist/Engineer ‘SC’ posts. Candidates who appeared for the examination can now check the provisional answer key and their recorded responses through the official portal.
The answer key was released on 12 November 2026 under Advertisement No. ISRO: ICRB:03(EMC):2026. Candidates who find any incorrect answers in the provisional key can submit their objections online by 15 November 2026 (1:00 PM).
This is an important opportunity for candidates to verify their answers, estimate their expected scores, and challenge any incorrect questions before the objection window closes. Check the answer key download link, objection process, important dates, and other details below.
ISRO Scientist Engineer Answer Key 2026: Overview
| Particulars | Details |
|---|---|
| Organisation | Indian Space Research Organisation (ISRO) |
| Recruitment Board | ISRO Centralised Recruitment Board (ICRB) |
| Post Name | Scientist/Engineer ‘SC’ |
| Advertisement Number | ISRO:ICRB:03(EMC):2026 |
| Disciplines | Electronics, Mechanical and Computer Science |
| Total Vacancies | 175 |
| Exam Mode | Computer-Based Test (CBT) |
| Exam Date | 29 October 2026 |
| Answer Key Release Date | 12 November 2026 |
| Objection Starting Date | 12 November 2026 |
| Last Date to Raise Objection | 15 November 2026 |
| Objection Closing Time | 1:00 PM |
| Selection Process | CBT and Personal Interview |
| Official Website | isro.gov.in |
ISRO Scientist Engineer Answer Key 2026 Download Link
ISRO has activated the provisional answer key and objection facility for candidates who appeared in the Scientist/Engineer ‘SC’ examination. Candidates can access the answer key and their recorded responses through the official objection management portal. To check the answer key, candidates need to visit the official ISRO website or use the direct link provided below.
| Link Description | Status |
|---|---|
| ISRO Scientist Engineer Answer Key 2026 | Click Here |
| Candidate Response Sheet | Click Here |
| Raise Objection Link | Click Here |
Important Note: The objection facility will close on 15 November 2026 at 1:00 PM. Candidates should complete the process before the deadline.
Candidates can use the ISRO Scientist Engineer Score Checker here
How to Download ISRO Scientist Engineer Answer Key 2026?
Candidates can follow these simple steps to download their provisional answer key and response sheet:
- Visit the official ISRO website at www.isro.gov.in.
- Open the Careers section on the homepage.
- Find the notice titled “ISRO: ICRB:03(EMC):2026 – Answer Keys & Objections to the Answer Keys”.
- Click on the answer key and objection management link.
- Log in using the required candidate credentials.
- Open your provisional answer key and recorded response sheet.
- Download the documents and save them for future reference.
How to Raise an Objection Against ISRO Scientist Engineer Answer Key 2026?
If candidates find any incorrect answer in the provisional answer key, they can challenge it through the official objection portal. ISRO will accept objections only through the prescribed online link.
Follow these steps to submit an objection:
- Visit the official ISRO Careers website.
- Open the ISRO Scientist Engineer Answer Key 2026 notification.
- Click on the objection management portal link.
- Log in using your registered credentials.
- Select the question against which you want to raise an objection.
- Provide the correct answer with a valid explanation.
- Upload supporting documents or references, wherever required by the portal.
- Review the details carefully and submit your objection.
- Save the acknowledgment or confirmation for future reference.
Note: Candidates must submit their objections before 15 November 2026 (1:00 PM). ISRO has clearly mentioned that objections received through any other mode will not be accepted.
FAQs on ISRO Scientist Engineer Answer Key 2026
Q1. Is ISRO Scientist Engineer Answer Key 2026 released?
Yes, ISRO released the provisional Scientist Engineer Answer Key 2026 on 12 November 2026 for the CBT conducted on 29 October 2026.
Q2. What is the last date to raise objections against the ISRO Answer Key 2026?
The last date to submit objections is 15 November 2026, up to 1:00 PM.
Q3. Where can I download the ISRO Scientist Engineer Answer Key 2026?
Candidates can download their answer key and response sheet through the official ISRO objection management portal.
Q4. What is the advertisement number for ISRO Scientist Engineer Recruitment 2026?
The advertisement number is ISRO:ICRB:03(EMC):2026.
Q5. How many vacancies are available under ISRO Scientist Engineer Recruitment 2026?
There are 175 vacancies for Scientist/Engineer ‘SC’ posts in Electronics, Mechanical and Computer Science disciplines.
Q6. Can I raise objections through email?
No. ISRO has specified that objections must be submitted through the given online portal. Objections received through other modes will not be entertained.
Q7. What is the examination date for ISRO Scientist Engineer 2026?
The Computer-Based Test was conducted on 29 October 2026.
Q8. What happens after the ISRO Scientist Engineer Answer Key 2026 objection process?
ISRO will consider the objections received from candidates and proceed with the further selection process according to its recruitment rules. Candidates should regularly check the official website for updates.












Assam Rifles Recruitment 2026 Out, Apply...
UPSSSC JE Recruitment 2026 Out, 1,536 Va...
CSPDCL JE Syllabus 2026, Check Exam Patt...



