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ISRO Scientist Engineer Answer Key 2026 Out - Download Response Sheet and Raise Objections

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Update typeAnswer Key
Recruiting authorityIndian Space Research Organisation (ISRO), Centralised Recruitment Board (ICRB)
Last successful check16 Nov 2026
Last date15 Nov 2026
Reference sources

Notice information

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  • Updated November 12, 2026 03:27 PM
  • by J Divya
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ISRO Scientist Engineer Answer Key 2026 - Quick Overview

ParticularDetails
OrganisationIndian Space Research Organisation (ISRO), Centralised Recruitment Board (ICRB)
Post NameScientist/Engineer 'SC'
Advertisement No.ISRO:ICRB:03(EMC):2026
Total Vacancies175 (Electronics 100, Mechanical 53, Computer Science 22)
Exam ModeComputer Based Test (CBT)
CBT Date29/10/2026
Answer Key Release Date12/11/2026
Answer Key ModeOnline, through a candidate login portal
Login Details RequiredUser ID and Password
Official Websiteisro.gov.in
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Important Dates

EventDate
CBT Held On29/10/2026
Answer Key and Objection Window Opens12/11/2026, 1:00 PM
Last Date and Time to Raise Objections15/11/2026, 1:00 PM

Vacancy Details

DisciplineNumber of Posts
Electronics100
Mechanical53
Computer Science22
Total175
  • The answer key covers the recruitment for 175 Scientist/Engineer 'SC' posts across three disciplines.

How to Download the ISRO Scientist Engineer Answer Key 2026

  • Candidates can access the answer key and their response sheet through the official ISRO careers page or the direct login link given below.
  • Visit the official ISRO website, isro.gov.in.
  • Open the Careers section on the homepage.
  • Find the notice for Advertisement No. ISRO:ICRB:03(EMC):2026.
  • Click the link for Answer Keys and Objections to the Answer Keys.
  • On the login page, enter your User ID and Password along with the captcha shown on screen.
  • Submit the details to view your question paper, marked responses and the answer key.
  • Download and save the response sheet PDF for future reference.

How to Raise an Objection Against the ISRO Answer Key

  • If you believe an answer in the provisional key is incorrect, you can challenge it on the same portal before the deadline of 15/11/2026, 1:00 PM. Objections must be submitted through the official link only.
  • Log in to the official answer key and objection portal.
  • Open the question paper and the answer key.
  • Select the question you want to challenge.
  • Enter the answer you consider correct.
  • Attach or cite valid proof, such as a reference book or document, wherever the portal asks for it.
  • Complete the submission and save the acknowledgement.

Important Instructions for Candidates

  • Use only the official login link or the ISRO careers page to access the answer key.
  • Objections sent by any other mode, or after 15/11/2026, 1:00 PM, will not be accepted.
  • Download your response sheet before the window closes, as access may end after the deadline.
  • Submit objections with valid supporting proof for each challenged question.
  • Keep your login details safe and do not share them.

ISRO Scientist Engineer Answer Key 2026 - Important Links

LinkURL
ISRO Scientist Engineer Answer Key and Objection LoginClick Here
ISRO Careers PageClick Here
ISRO Official WebsiteClick Here
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