ISRO VSSC Revised Answer Key 2026
ISRO VSSC Revised Answer Key 2026 Out – Download Technician B and Other Posts CBT Response Sheet
ISRO VSSC Revised Answer Key 2026 was released on 29 October 2026 through the post-objection management portal for the CBT held on 16 and 17 September. Candidates can check the revised answer key and response sheet for Technician-B, Draughtsman-B, Scientist/Engineer-SC and other posts using their registration number at vssc.gov.in.

ISRO VSSC Revised Answer Key 2026 has been released through a post-objection update on 29 October 2026 by the Vikram Sarabhai Space Centre (VSSC), Indian Space Research Organisation (ISRO). The update relates to the Computer-Based Test (CBT) conducted on 16 and 17 September 2026 under Advertisement Nos. 332, 334, 336 and 337. Candidates who appeared for Technician-B, Draughtsman-B, Scientist/Engineer-SC and other notified posts can access the candidate response and answer-key login portal to check the available post-objection information. The official notice is available on the VSSC Careers page at vssc.gov.in.
ISRO VSSC Revised Answer Key 2026 Direct Link
VSSC has published the post-objection management portal update for the CBT held on 16 and 17 September 2026. Candidates can use their registered login details to access the available response and answer-key information.
| Answer Key Details | Official Link |
|---|---|
| ISRO VSSC Revised Answer Key 2026 | Check Answer Key |
| VSSC Candidate Response Sheet 2026 | Candidate Login |
| VSSC Official Website | Visit Website |
ISRO VSSC Revised Answer Key 2026 – Overview
| Conducting Organisation | Vikram Sarabhai Space Centre (VSSC) |
|---|---|
| Parent Organisation | Indian Space Research Organisation (ISRO) |
| Advertisement Numbers | 332, 334, 336 and 337 |
| Posts Covered | Technician-B, Draughtsman-B, Pharmacist-A, Scientist/Engineer-SC, Light Vehicle Driver-A and PGT |
| Examination | Computer-Based Test (CBT) |
| CBT Dates | 16 and 17 September 2026 |
| Initial Objection Portal Date | 23 September 2026 |
| Post-Objection Update Date | 29 October 2026 |
| Latest Update | Post Objection Management Portal |
| Answer Key Access | Online Candidate Login |
| Login ID | VSSC Registration Number |
| Official Website | vssc.gov.in |
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ISRO VSSC Revised Answer Key 2026 – Post-Wise Details
The September 2026 CBT covered several recruitment posts under four VSSC advertisements.
| Advertisement | Post Name |
|---|---|
| 332 | Light Vehicle Driver-A |
| 334 | Technician-B, Draughtsman-B (Mechanical) and Pharmacist-A |
| 336 | Scientist/Engineer-SC |
| 337 | Post Graduate Teacher (Computer Science) |
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ISRO VSSC CBT Exam Date and Shift Details 2026
The Computer-Based Test was conducted on 16 and 17 September 2026 in different shifts according to the applicable post codes.
| Exam Date | Shift | Posts / Post Codes |
|---|---|---|
| 16 September 2026 | Shift 1 – 7:00 AM | 1531 Fitter, 1534 Machinist, 1537 Welder, 1541 Carpenter, 1554 and 1558 Scientist/Engineer-SC |
| 16 September 2026 | Shift 2 – 11:00 AM | 1535 Electrician, 1539 MMV/Mechanic Diesel, 1543 Pharmacist-A, 1556 and 1560 Scientist/Engineer-SC |
| 16 September 2026 | Shift 3 – 3:00 PM | 1532 Electronic Mechanic, 1533 Turner, 1540 Photography, 1557 and 1559 Scientist/Engineer-SC |
| 17 September 2026 | Shift 1 – 7:00 AM | 1536 Electroplater, 1538 MR & AC, 1542 Draughtsman-B (Mechanical), 1555 Scientist/Engineer-SC |
| 17 September 2026 | Shift 2 – 11:00 AM | 1527 Light Vehicle Driver-A, 1561 PGT (Computer Science) |
How to Download ISRO VSSC Revised Answer Key 2026?
- Visit the official VSSC recruitment website at vssc.gov.in/careers.html.
- Find the notice titled “Post Objection Management Portal – CBT held on 16th and 17th September 2026”, dated 29 October 2026.
- Open the associated candidate login portal.
- Enter your VSSC Registration Number as the login ID.
- Enter the required password.
- Complete any additional verification displayed by the portal.
- Open the available candidate response and answer-key section.
- Compare the answers with the previously published provisional key.
- Save the available answer-key or response details for future reference.
ISRO VSSC Technician B Revised Answer Key 2026
The Technician-B examination covered different ITI trades under Advertisement No. 334. Candidates appearing for these posts can check the post-objection answer-key information through the common candidate login facility.
The Technician-B trades covered in the September CBT schedule include Fitter, Machinist, Welder, Carpenter, Electrician, Motor Mechanic Vehicle/Mechanic Diesel, Electronic Mechanic, Turner, Photography, Electroplater and Mechanic Refrigeration and Air Conditioning.
Candidates must compare their responses with the answer key corresponding to their specific trade and post code.
ISRO VSSC Draughtsman B Revised Answer Key 2026
The Draughtsman-B (Mechanical) examination under Post Code 1542 was conducted on 17 September 2026 in the first shift.
Candidates can use the VSSC post-objection portal to check the available revised answer-key information and review their examination responses.
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ISRO VSSC Scientist Engineer SC Revised Answer Key 2026
The Scientist/Engineer-SC examinations under Advertisement No. 336 were conducted on 16 and 17 September 2026 across different shifts.
Candidates should verify their post codes and access the relevant examination responses through the official login facility.
ISRO VSSC Revised Answer Key 2026 – Important Dates
| Event | Date |
|---|---|
| CBT Schedule Notice | 4 September 2026 |
| Admit Card Download Notice | 12 September 2026 |
| Computer-Based Test | 16 and 17 September 2026 |
| Initial Objection Management Portal Notice | 23 September 2026 |
| Post-Objection Portal Update | 29 October 2026 |
| Reported Revised-Key Access Period | 29 October to 2 November 2026 |
How to Calculate Marks Using ISRO VSSC Revised Answer Key 2026?
Candidates can use the available answer key and recorded responses to estimate their CBT performance.
- Identify your examination post code and question paper.
- Compare your recorded responses with the published answers.
- Count the questions answered correctly and incorrectly.
- Check whether any accepted answers have changed following the objection process.
- Apply the marking scheme prescribed for the relevant post.
- Calculate an estimated score using the applicable examination rules.
The applicable marks per question and negative marking rules may differ by recruitment post. Candidates should not apply an assumed marking scheme without checking the official examination instructions.
Can Candidates Raise Objections Against ISRO VSSC Revised Answer Key 2026?
VSSC previously published an Objection Management Portal notice on 23 September 2026 for the CBT conducted on 16 and 17 September 2026.
The latest notice dated 29 October 2026 concerns the post-objection portal. A fresh objection opportunity has not been independently confirmed from the publicly accessible notice.
Candidates should follow the instructions displayed on the official portal rather than assuming that another challenge window is available.
ISRO VSSC Result 2026
The ISRO VSSC CBT Result 2026 release date for the concerned September examinations has not been confirmed in the available answer-key notice.
Candidates should regularly check the official VSSC Careers page for post-wise results, shortlisted candidates, marks and further recruitment updates.
Publication of the revised answer key does not constitute declaration of the CBT result or final selection.
ISRO VSSC Revised Answer Key 2026 – Important Links
| VSSC Revised Answer Key / Post-Objection Login | Check Here |
|---|---|
| VSSC CBT Candidate Response Sheet | Login Here |
| ISRO VSSC Official Website | Visit Website |
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ISRO VSSC Revised Answer Key 2026 – FAQs
Q1. Is ISRO VSSC Revised Answer Key 2026 released?
Yes. VSSC published the post-objection management portal update on 29 October 2026 for the CBT conducted on 16 and 17 September 2026.
Q2. What is the ISRO VSSC Revised Answer Key 2026 release date?
The post-objection portal update was published on 29 October 2026.
Q3. Where can I check ISRO VSSC Revised Answer Key 2026?
Candidates can access the relevant login portal through the official VSSC Careers page at vssc.gov.in/careers.html.
Q4. Which advertisements are covered by ISRO VSSC Revised Answer Key 2026?
The update relates to Advertisement Nos. 332, 334, 336 and 337.
Q5. When was the ISRO VSSC CBT 2026 conducted?
The relevant Computer-Based Test was conducted on 16 and 17 September 2026.
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