CBT Held: 25 September 2026 | Response Sheet & Answer Key Objection Window: 1–4 October 2026
Answer Key Information
Answer Key / Response Sheet Available
The Indian Space Research Organisation (ISRO) has activated the candidate response sheet and objection management portal for the Computer Based Test conducted under ISTRAC Advertisement No. ISTRAC:02:2026.
The recruitment examination was conducted by the ISRO Telemetry, Tracking and Command Network (ISTRAC) on 25 September 2026 for various posts including Technician ‘B’, Draughtsman ‘B’, Technical Assistant, Scientific Assistant, Library Assistant ‘A’ and Cook ‘A’.
Candidates who appeared in the examination can now log in to the official portal to check their response sheet, published question paper/answer key and raise objections, if required.
The objection portal is available from 1 October 2026 at 6:00 PM until 4 October 2026 at 6:00 PM. ISRO
ISRO ISTRAC Answer Key 2026 – Overview
| Particulars | Details |
|---|---|
| Organization | Indian Space Research Organisation (ISRO) |
| Centre | ISRO Telemetry, Tracking and Command Network (ISTRAC) |
| Advertisement No. | ISTRAC:02:2026 |
| Recruitment Advertisement Date | 27 June 2026 |
| Exam Type | Computer Based Test (CBT) |
| CBT Date | 25 September 2026 |
| Answer Key Status | Available |
| Response Sheet Status | Available |
| Objection Portal Opens | 1 October 2026 – 6:00 PM |
| Objection Last Date | 4 October 2026 – 6:00 PM |
| Job Location in Advertisement | Bengaluru |
| Official Website | ISRO |
| Result Date | To be announced |
The original recruitment application period ran from 27 June to 20 July 2026. ISRO
Posts Covered Under ISTRAC:02:2026
The CBT and current answer-key/response-sheet update relate to recruitment for the following posts:
- Technician ‘B’
- Draughtsman ‘B’
- Technical Assistant
- Scientific Assistant
- Library Assistant ‘A’
- Cook ‘A’
ISRO’s official recruitment page lists all these posts under Advertisement No. ISTRAC:02:2026. ISRO
Important Dates
| Event | Date |
|---|---|
| Recruitment Advertisement | 27 June 2026 |
| Online Application Start | 27 June 2026 |
| Last Date to Apply | 20 July 2026 |
| Computer Based Test | 25 September 2026 |
| Response Sheet / Answer Key Portal Opens | 1 October 2026, 6:00 PM |
| Last Date to Raise Objection | 4 October 2026, 6:00 PM |
| Final Answer Key | To be announced |
| Result | To be announced |
The official ISRO notice states that the CBT was successfully conducted on 25 September and that the response-sheet/objection portal will remain open until 4 October 2026 at 6 PM. ISRO
How to Download ISRO ISTRAC Response Sheet 2026
Candidates can follow these steps:
- Visit the official ISRO recruitment page.
- Open the recruitment notice for Advertisement No. ISTRAC:02:2026.
- Click the link provided for the Candidate Response Sheet and Objection Management Portal.
- Enter the required login credentials.
- Submit the details.
- Open your candidate response sheet.
- Check the questions, your marked responses and the published answer key.
- Download or save the response sheet for future reference.
The official ISRO page provides a dedicated login portal for candidates to access their response sheet and question paper/answer key. ISRO
Direct Response Sheet / Answer Key Link
Use this as the main button on your SarkariResultMe post:
Download ISRO ISTRAC Response Sheet / Check Answer Key
I recommend naming the button:
CHECK ANSWER KEY / RESPONSE SHEET
rather than “Download Answer Key”, because ISRO describes it as a portal where candidates can access their response sheets and object to the published question paper/answer key.
How to Raise Objection Against ISRO ISTRAC Answer Key
Candidates who believe that an answer in the published key is incorrect can use the official objection portal.
Follow these steps:
- Open the official response sheet/objection portal.
- Log in using the credentials requested by the portal.
- Open your response sheet.
- Review the published question paper and answer key.
- Select the question for which you wish to submit an objection.
- Follow the instructions displayed on the portal.
- Submit the objection before the deadline.
- Save any acknowledgement generated by the system.
Important
The objection facility closes on:
4 October 2026 at 6:00 PM
Candidates should not wait until the final hours to submit objections. ISRO specifically identifies this portal as the facility for objecting to the published question paper/answer key. ISRO
Details Available in the Response Sheet
Candidates can use their response sheet to check information such as:
- Questions asked in the CBT
- Candidate’s recorded responses
- Published answer key
- Questions for which objections can be raised
- Other examination information shown in the portal
The exact display and options will depend on the candidate login.
ISRO ISTRAC CBT Exam Date
The Computer Based Test under Advertisement No. ISTRAC:02:2026 was conducted on:
25 September 2026
ISRO confirms on its official recruitment page that the CBT was successfully conducted on this date. ISRO
Is This the Final Answer Key?
The current facility is for viewing the published question paper/answer key and submitting objections.
Therefore, candidates should treat it as the answer-key objection stage. ISRO has not stated on this recruitment page that the final answer key or final result has been declared.
Candidates should continue checking the official ISRO careers page for future updates.
ISRO ISTRAC Result 2026
The result for the CBT has not been announced on the cited recruitment page.
After the objection window closes, ISRO/ISTRAC may process the objections and issue further recruitment-stage updates.
Candidates should regularly check the official ISRO Careers portal. ISRO’s Careers page currently highlights the ISTRAC response-sheet and answer-key objection notice. ISRO
Original Recruitment Details
The recruitment was originally issued under:
Advertisement No. ISTRAC:02:2026
with the application period:
27 June 2026 to 20 July 2026
The recruitment covered Technician, Draughtsman, Technical Assistant, Scientific Assistant, Library Assistant and Cook posts. ISRO
Important Instructions for Candidates
- Check your response sheet carefully.
- Compare your recorded responses with the published answer key.
- Submit objections only through the official portal.
- Complete the objection process before 4 October 2026, 6 PM.
- Save a copy of your response sheet.
- Keep login credentials secure.
- Regularly check the official ISRO website for the result and further updates.
- Do not rely on unofficial answer keys when an official answer-key portal is available.
Important Links
| Description | Link |
|---|---|
| Response Sheet / Answer Key | Check Here |
| ISTRAC Recruitment Details | Official ISTRAC Recruitment Page |
| ISRO Careers | ISRO Careers Page |
| ISRO Current Opportunities | Current Opportunities |
| Official Website | ISRO |
Frequently Asked Questions
Q1. Has ISRO ISTRAC Answer Key 2026 been released?
Yes. ISRO has activated the portal through which candidates can access their response sheets and object to the published question paper/answer key for the CBT held on 25 September 2026. ISRO
Q2. When was the ISTRAC CBT conducted?
The Computer Based Test was conducted on 25 September 2026.
Q3. What is the advertisement number?
The advertisement number is:
ISTRAC:02:2026
Q4. When can candidates check their response sheet?
The portal opened on 1 October 2026 at 6:00 PM.
Q5. What is the last date to raise objections?
Candidates can submit objections until:
4 October 2026 at 6:00 PM. ISRO
Q6. Which posts are covered?
The recruitment covers:
- Technician ‘B’
- Draughtsman ‘B’
- Technical Assistant
- Scientific Assistant
- Library Assistant ‘A’
- Cook ‘A’
Q7. Where can candidates check the answer key?
Candidates can access it through the official ISRO/ISTRAC candidate login portal.
Q8. Can candidates raise objections?
Yes. ISRO specifically states that candidates can use the portal to object to the published question paper/answer key. ISRO
Q9. Has the ISRO ISTRAC result been released?
The official recruitment page cited above does not currently announce the CBT result.
Q10. Is this a new recruitment application?
No. The original application window ended on 20 July 2026. This is an Answer Key / Response Sheet update for candidates who already appeared in the CBT. ISRO