The Indian Space Research Organisation (ISRO) Centralised Recruitment Board (ICRB) has released the ISRO Scientist Engineer Answer Key 2026 on 12th November 2026 at the official website isro.gov.in. As per the notice (ISRO ICRB:03(EMC):2026), the link to download the answer key is available for all the candidates who appeared for the ISRO Scientist/Engineer ‘SC’ CBT Exam on 29th October 2026 and can check their question papers, recorded responses and provisional answer keys online.
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The ISRO Scientist Engineer Answer Key objection window will remain open until 15th November 2026 (01:00 PM). Read below for the direct download link, objection process, fees and other important details.
ISRO Scientist Engineer Answer Key 2026 Out
The Indian Space Research Organisation (ISRO) has released the notice regarding the ISRO Scientist Engineer Answer Key 2026 under Advertisement No. ISRO ICRB:03(EMC):2026. Candidates who appeared for the Scientist/Engineer ‘SC’ examination in Electronics, Mechanical and Computer Science disciplines can now check their question papers, recorded responses and answer keys.
The answer key link is available on the official ISRO website from 12th November 2026 (01:00 PM) onwards. Candidates can also raise objections if they find any errors in the questions, options or answers. The ISRO Answer Key objection window will remain open until 15th November 2026 at 01:00 PM. Candidates must complete the objection process before the deadline. Objections received through any other mode will not be entertained.
ISRO Scientist Engineer Answer Key Download Link Active
The ISRO Scientist Engineer Answer Key link has been activated on 12th November 2026 (01:00 PM) by the ISRO Centralised Recruitment Board (ICRB). Candidates can access the ISRO Response Sheet PDF by logging in with the registration number and password/User ID. The ISRO Answer Key PDF has the correct answers for all questions asked in the exam. The direct link for ISRO Scientist Engineer Answer Key PDF download has been updated below:
ISRO Scientist Engineer Answer Key 2026 Link Active: Click to Download
ISRO Scientist Engineer Recruitment 2026 Overview
A large number of candidates applied for the ISRO Scientist Engineer Recruitment 2026. The recruitment is for 175 posts (including backlog posts) of Scientist/Engineer ‘SC’ across constituent ISRO Centres and the Physical Research Laboratory (PRL). Now, the recruitment is in the stage of CBT, where the answer key and response sheet has been uploaded. The table below gives the important details related to the ISRO Scientist Engineer Answer Key 2026.
| ISRO Scientist Engineer Answer Key 2026 | Details |
|---|---|
| Recruitment Body | Indian Space Research Organisation (ISRO) / ICRB |
| Advt. Number | ISRO ICRB:03(EMC):2026 |
| Exam Name | ISRO Scientist/Engineer ‘SC’ CBT |
| Posts | Scientist/Engineer ‘SC’ (Electronics, Mechanical, Computer Science) |
| Vacancy | 175 (including backlog posts) |
| Pay Scale | Level 10 of Pay Matrix (Basic Pay Rs. 56,100/- p.m.) |
| Category | Answer Key |
| Status | Released |
| ISRO Exam Date | 29th October 2026 |
| Answer Key Release Date | 12th November 2026 (01:00 PM) |
| Objection Window | 12th November (01:00 PM) to 15th November 2026 (01:00 PM) |
| ISRO Result / Interview | Notify Soon |
| Things Required | Registration Number / User ID & Password |
| Official Websites | isro.gov.in |
How to Download ISRO Scientist Engineer Answer Key at isro.gov.in?
Candidates can complete the ISRO Answer Key PDF download link with the response sheet from the official website by following the steps below.
Step 1 – Go to the official website at isro.gov.in or click on the Answer Key / Objection link given in the Important Links section.
Step 2 – Go to Careers on the homepage.
Step 3 – Click on the link for ISRO Scientist Engineer Answer Key or Response Sheet PDF under ISRO ICRB:03(EMC):2026.
Step 4 – Enter the Registration Number / User ID and Password on the ISRO login page.
Step 5 – Download the ISRO Answer Key PDF and check the Response Sheet.
Details Mentioned on the ISRO Response Sheet PDF
After downloading the ISRO Scientist Engineer Answer Key 2026, candidates can check the details provided below.
- Candidate’s Name
- Registration Number / Roll Number
- Exam Date, Answer Key release date and Shift
- Name of the ISRO Centre / Discipline
- Question ID for each question
- Question Paper as appeared in the CBT
- Options provided for each question
- Candidate’s selected response
- Official correct answer as per the provisional answer key
- Status of each question (Correct / Incorrect / Unattempted)
How to Challenge ISRO Scientist Engineer Answer Key 2026?
If candidates find any wrong answer in the provisional ISRO Scientist Engineer Answer Key 2026, they can submit objections online during the objection window. Follow the below steps given as under.
Step 1 – Visit the official website of ISRO – isro.gov.in.
Step 2 – Login with the Registration Number / User ID and Password.
Step 3 – Open the ISRO Answer Key CBT 2026 objection website under ISRO ICRB:03(EMC):2026.
Step 4 – Select the question candidates wish to challenge specifically.
Step 5 – Upload documentary proof / justification supporting the claim of the candidates.
Step 6 – Submit the objection form.
Step 7 – Finally download the acknowledgement receipt for future use.
ISRO Scientist Engineer Answer Key Objection Raise Window
Candidates who wish to challenge any question or answer in the ISRO Scientist Engineer Answer Key 2026 must submit their objections online through the official link only. The objection portal will remain open from 12-11-2026 (01:00 PM) to 15-11-2026 (01:00 PM). Objections received through any other mode will not be entertained. Candidates must submit their objections with proper justification before the deadline.
How to Calculate ISRO Scientist Engineer Marks?
Candidates can estimate the written score by evaluating the responses with the official ISRO Scientist Engineer Answer Key and marking scheme.
| Response Type | Marks Awarded/Deducted |
|---|---|
| Correct Answer | As per ISRO marking scheme |
| Incorrect Answer | As per ISRO marking scheme |
| Unattempted Question | 0 Mark |
| Total Score Formula | (Correct Answers × Marks per Question) − (Incorrect Answers × Negative Marking) |
How to Calculate Marks using the Answer Key of ISRO Scientist Engineer?
Follow the steps given below to calculate the tentative score with the official answer key.
- Download the response sheet of the candidates or ISRO Response Sheet PDF.
- Download the official ISRO Answer Key PDF for the respective exam shift.
- Match the answers marked for each question with the correct key provided.
- Multiply the total no. of correct answers by the marks per question.
- Multiply the total no. of incorrect answers by the negative marking factor and deduct that value from the total correct score.
- Calculate the final score using the formula – Total Score = (Correct Answers × Marks per Question) − (Incorrect Answers × Negative Marking).
Details Required for ISRO Scientist Engineer Answer Key 2026
To get the ISRO Scientist Engineer Answer Key or log in to submit objections, candidates should keep the following details ready strictly.
- Registration Number / User ID
- Password
- Security Captcha Code (if applicable)
Also Read: Goa Collectorate Group C Recruitment 2026 Notification Out, Apply Online For 94 UDC, LDC & MTS Posts
ISRO Scientist Engineer Result Date 2026
The Indian Space Research Organisation will release the ISRO Scientist Engineer Result 2026 after the completion of the objection review process. Once the final answer key is published, no further objections will be accepted. After the final answer key, candidates will be shortlisted for the interview in the ratio of 1:5. The exam result will be prepared on the basis of the final answer key. Selected candidates will be placed in Level 10 of the Pay Matrix (Basic Pay Rs. 56,100/-).
ISRO Scientist Engineer Cut Off 2026
The ISRO Scientist Engineer Cut Off 2026 for the CBT has not been released yet. The ISRO Centralised Recruitment Board will announce the category-wise and discipline-wise cut-off marks along with the result. Candidates qualifying in the CBT will be shortlisted for the interview in the ratio of 1:5.
We hope the article on ISRO Scientist Engineer Answer Key 2026 was informative. Download the Testbook App from the Google Play Store and get access to courses, online tests, PDF notes and much more.
FAQs
Is the ISRO Scientist Engineer Answer Key 2026 released?
Yes, the ISRO Scientist Engineer Answer Key 2026 was released on 12th November 2026 (01:00 PM).
Where can the candidates check the ISRO Response Sheet 2026?
Candidates can check the ISRO Response Sheet 2026 at the official website isro.gov.in.
What login details are required for the ISRO Scientist Engineer Answer Key 2026?
Candidates need their Registration Number / User ID and Password to access the answer key.
Can the candidates raise objections against the ISRO Scientist Engineer Answer Key?
Yes, candidates can raise objections online from 12-11-2026 (01:00 PM) to 15-11-2026 (01:00 PM).
When will the ISRO Scientist Engineer Result be announced?
The ISRO Scientist Engineer Result will be announced soon after the objection review process; the exact date is yet to be notified.
When will the ISRO Scientist Engineer Cut Off 2026 be released?
The ISRO Scientist Engineer Cut Off 2026 will be released along with the result.
