The Railway Recruitment Boards (RRBs) have released the provisional Answer Key and Candidates’ Response Sheet for the Ministerial and Isolated Categories Computer Based Test (CBT) 2026 held under CEN No. 08/2025 on 14 and 15 July 2026. The answer key was released on 31 July 2026. Candidates who appeared for the CBT across 21 RRB regions can now log in using their Registration Number and Date of Birth / Password to view their question paper, recorded responses, and the provisional answer key. The objection window is open from 31 July 2026 (11:55 PM) to 7 August 2026 (11:55 PM). Each objection costs Rs. 50 plus applicable bank charges, refundable if the objection is found valid. This recruitment covers 312 vacancies for 7 posts including Junior Translator (Hindi), Lab Assistant Grade III, Chief Law Assistant, Staff and Welfare Inspector, Senior Publicity Inspector, Scientific Assistant / Training, and Public Prosecutor.
Important Note: Three points require careful attention before raising objections. First, the answer key is provisional – scores calculated from it are estimates and must not be treated as final. The result will be based on the final answer key published after reviewing all valid objections. Second, every objection must be supported by a valid justification or reference from an authoritative source (textbook, official material, etc.) – objections submitted without proof are not considered. Third, the objection window closes at exactly 11:55 PM on 7 August 2026. Objections submitted after this time, or through any mode other than the online portal, will not be entertained under any circumstances.
RRB Ministerial and Isolated Categories Answer Key 2026 – Overview
| Particulars | Details |
|---|---|
| Conducting Body | Railway Recruitment Boards (RRBs), Indian Railways |
| CEN No. | 08/2025 |
| Exam Name | Ministerial and Isolated Categories CBT 2026 |
| CBT Exam Dates | 14 and 15 July 2026 |
| Answer Key Released | 31 July 2026 |
| Answer Key Status | Provisional |
| Objection Window Opens | 31 July 2026, 11:55 PM |
| Objection Window Closes | 7 August 2026, 11:55 PM |
| Objection Fee | Rs. 50 per question plus applicable bank charges |
| Refund of Fee | Yes, if the objection is found valid (minus bank charges) |
| Total Vacancies | 312 |
| Pay Levels | Level-2, Level-6 and Level-7 (7th CPC Pay Matrix) |
| Login Portal | rrb.digialm.com (official RRB exam portal) |
| Official RRB Website | indianrailways.gov.in |
Important Dates
| Event | Date |
|---|---|
| Notification (CEN 08/2025) Released | 29 December 2025 |
| Online Application Started | 30 December 2025 |
| Online Application Closed | 29 January 2026, 11:59 PM |
| Fee Payment Last Date | 31 January 2026, 11:59 PM |
| CBT Exam Dates | 14 and 15 July 2026 |
| Provisional Answer Key Released | 31 July 2026 |
| Objection Window Opens | 31 July 2026, 11:55 PM |
| Objection Window Closes | 7 August 2026, 11:55 PM |
| Final Answer Key | To be released after review of valid objections |
| Result | To be announced after final answer key |
Vacancy Details (CEN 08/2025)
| S.No. | Post Name | Vacancies | Pay Level |
|---|---|---|---|
| 1 | Junior Translator (Hindi) | 202 | Level-6 |
| 2 | Lab Assistant Grade III (Chemist and Metallurgist) | 39 | Level-2 |
| 3 | Chief Law Assistant | 22 | Level-7 |
| 4 | Staff and Welfare Inspector | Not separately specified | Level-6 |
| 5 | Senior Publicity Inspector | Not separately specified | Level-6 |
| 6 | Scientific Assistant / Training | Not separately specified | Level-6 |
| 7 | Public Prosecutor | Not separately specified | Level-6 |
| Total | 312 |
Exam Pattern (CBT – CEN 08/2025)
| Particulars | Details |
|---|---|
| Exam Mode | Computer Based Test (CBT) |
| Total Questions | 100 |
| Total Marks | 100 |
| Duration | 90 minutes (120 minutes for PwBD candidates with scribe) |
| Negative Marking | Yes – 1/3 mark deducted for each wrong answer |
| Question Type | Multiple Choice (Objective) |
Marking Scheme for Score Calculation
| Answer Status | Marks |
|---|---|
| Correct Answer | +1 mark |
| Wrong Answer | -1/3 mark (0.33 deducted) |
| Unattempted | 0 marks |
Formula: Total Marks = (Correct Answers x 1) – (Wrong Answers x 0.33)
How to Download the RRB Ministerial and Isolated Categories Answer Key 2026
- Visit the official RRB exam login portal – Click Here
- Alternatively, visit your respective RRB regional website through the official Indian Railways portal – Click Here
- Enter your Registration Number and Date of Birth / Password in the login fields.
- Click Login to access your candidate dashboard.
- View your recorded response sheet (the answers you submitted in the CBT), the question paper, and the provisional answer key.
- Compare your responses against the provisional answer key to calculate your estimated score.
- Use the Save / Print option to download and retain a PDF copy of both your response sheet and the answer key.
How to Raise an Objection Against the Answer Key
- Log in to the same RRB portal with your Registration Number and Date of Birth / Password between 31 July 2026 (11:55 PM) and 7 August 2026 (11:55 PM).
- Locate the “Raise Objection” or “Challenge Answer Key” option on your dashboard.
- Select the specific Question ID and the answer option you believe is incorrect or the question you wish to challenge.
- Upload a valid justification or supporting reference (textbook page, official source, authoritative document) for each question challenged. Objections without proof are not considered.
- Pay the objection fee of Rs. 50 per question (plus applicable bank charges) through Debit Card, Credit Card, UPI or Net Banking.
- Submit and save the confirmation / acknowledgement for your records.
Objection Fee Details
| Particulars | Details |
|---|---|
| Fee per Question Challenged | Rs. 50 plus applicable bank service charges |
| Refund if Objection is Valid | Yes – fee refunded (minus bank charges) if the objection is found valid |
| Refund if Objection is Invalid | No |
| Payment Mode | Debit Card, Credit Card, UPI, Net Banking |
| Objection Deadline | 7 August 2026, 11:55 PM |
What Happens After the Objection Window
All valid objections with proper supporting proof will be reviewed by a subject expert committee. The final answer key will be released after this review. The result of the CEN 08/2025 CBT will be based entirely on the final answer key, not the provisional one. Candidates should monitor the official RRB websites for the final answer key and result announcement.
Important Instructions
- Only the provisional answer key is currently available. Scores calculated using it are estimates and not official marks.
- Objections submitted after 11:55 PM on 7 August 2026 or through email, post or any other mode will not be entertained.
- The result will be based on the final answer key after consideration of all valid objections.
- Access the answer key and objection portal only through the official RRB login link – avoid unofficial third-party login links.
- Keep your Registration Number and Date of Birth / Password handy before logging in.
- Candidates who submitted more than one application for CEN 08/2025 were summarily rejected and debarred – such candidates’ responses will not appear in the portal.
Important Links
| Description | Link |
|---|---|
| Download Answer Key and Response Sheet / Raise Objection – Official RRB Login Portal | Click Here |
| Indian Railways Official Website – RRB Section | Click Here |
RRB Ministerial and Isolated Categories Answer Key 2026 – FAQs
Q1. Has the RRB Ministerial and Isolated Categories Answer Key 2026 been released?
✅ Yes. The provisional answer key and response sheet for the CEN 08/2025 CBT held on 14 and 15 July 2026 were released on 31 July 2026 on the official RRB exam portal.
Q2. Where can I download the RRB MI Answer Key 2026?
✅ From the official RRB login portal at rrb.digialm.com, using your Registration Number and Date of Birth / Password. You can also access it through your respective RRB regional website listed on indianrailways.gov.in.
Q3. What is the objection window for the RRB Ministerial and Isolated Categories Answer Key 2026?
✅ From 31 July 2026 (11:55 PM) to 7 August 2026 (11:55 PM). Objections must be raised online within this window only.
Q4. What is the objection fee?
✅ Rs. 50 per question plus applicable bank service charges. The fee is refunded (minus bank charges) if the objection is found valid. It is non-refundable for invalid objections.
Q5. How do I calculate my score from the provisional answer key?
✅ Add 1 mark for each correct answer and deduct 0.33 marks (1/3 mark) for each wrong answer. Unattempted questions carry 0 marks. Total score = (Correct x 1) – (Wrong x 0.33), out of 100.
Q6. Is the score calculated from the provisional answer key my final score?
✅ No. The provisional answer key is subject to change based on valid objections. The final result will be based on the final answer key released after objection review.
Q7. What documents / proof do I need to raise an objection?
✅ A valid justification or supporting reference from an authoritative source – such as a textbook page, official syllabus material, or other credible reference. Objections without proof are not considered.
Q8. What posts are covered under CEN 08/2025?
✅ Seven posts across 312 vacancies: Junior Translator (Hindi) (202), Lab Assistant Grade III (39), Chief Law Assistant (22), Staff and Welfare Inspector, Senior Publicity Inspector, Scientific Assistant / Training, and Public Prosecutor.
Q9. What is the pay scale for CEN 08/2025 posts?
✅ Posts are in Level-2, Level-6 and Level-7 of the 7th CPC Pay Matrix. Junior Translator and most posts are at Level-6; Lab Assistant Grade III is at Level-2; Chief Law Assistant at Level-7.
Q10. When will the final answer key and result be released?
✅ The final answer key will be released after review of all valid objections received by 7 August 2026. The result will follow. No specific date has been announced – candidates should monitor indianrailways.gov.in and their respective RRB regional websites.
Disclaimer
The information above is compiled from the provisional Answer Key notice for CEN No. 08/2025, issued by the Railway Recruitment Boards (RRBs), Indian Railways, and from the official CEN 08/2025 notification hosted on the official RRB regional websites. The vacancy figures are as per the official CEN 08/2025 notification. The answer key is provisional and subject to revision after objection review. Candidates are strongly advised to access the answer key and raise objections only through the official RRB portal and to monitor indianrailways.gov.in and their respective RRB regional websites for the final answer key and result. All links above lead only to official Indian Railways and RRB-operated platforms.
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