RRB Isolated Categories Answer Key 2026 Out, Download CBT Exam Response Sheet PDF

RRB Isolated Categories Answer Key 2026 has been released on 31st July 2026 for the Computer-Based Examination conducted for the RRB Isolated Categories exam under CEN 08/2025. With the help of the answer key, candidates can cross-check their marked answers with the correct ones to calculate their tentative scores before the release of the results.

RRB Isolated Categories Answer Key 2026 Out

The Railway Recruitment Board has successfully conducted the RRB Isolated Categories Online Exam under the CEN 08/2025 on 14th and 15th July 2026, and the answer key for the same has been released, including correct responses along with recorded responses. Candidates who appeared for the CBT  exam can check their performance in the exam by using the answer key, as they can see their attempted answers along with the correct answers.

RRB Isolated Categories Answer Key 2026 Download Link

The Railway RRB Isolated Categories Answer Key has been activated at the official website www.rrb.indianrailways.gov.in and remains active till 5th July 2026. Candidates must use the registration number and date of birth to access the candidate login.

Note: The official answer key link will be activated on 31st July 2026 (11:55 pm). 

RRB Isolated Categories Result 2026 – Click to Check

How to Download Railway  Isolated Categories Answer Key 2026?

To download the RRB Ministerial and Isolated Answer Key 2026, candidates can follow the steps provided below.

1. Go to the official website of the Railway Recruitment Board (RRB), www.rrbcdg.gov.in.
2. On the Homepage, search for CEN 08/2025: CBT Exam responses & objection tracker.
3. Click on the link and enter the required details such as Registration Number and Date of Birth.
4. Enter the Captcha code and click on the login button.
5. The answer key is displayed on the screen.
6. Download the RRB Isolated Categories Answer Key 2026 and check the responses carefully.

Details Mentioned on the RRB Isolated Categories Response Sheet 2026

After downloading the answer key, candidates should cross-check the following details mentioned on the response sheet PDF:

• Candidate’s Name
• Registration Number
• Exam Date and Shift
• Name of the RRB Zone
• Question ID for each question
• Question Paper
• Options provided for each question
• Candidate’s selected response
• Correct Option
• Status of each question (Correct / Incorrect / Unattempted)

Raise Objection Process

Along with the release of the answer key, the Railway Recruitment Board has provided an opportunity to candidates to raise an objection if they are not satisfied with any answer. Candidates can raise objections from 31st July to 8th August 2026 by paying Rs. 50/-. Candidates have to provide valid proof to justify their objections.

Steps to Raise Objections Against RRB Isolated Categories Answer Key 2026

Candidates can challenge the provisional answer key by following the steps discussed below-

1. On the homepage of the official website, click on “CEN-08/2025 (NTPC Categories) – Link for viewing of Tentative CBT 1 Isolated Categories Answer Key & Response Sheet.”
2. Now login with your credentials and click on “Raise Objections”.
3. Choose the specific question number and set (e.g., A/B/C/D) you believe has an error in the provisional answer key.
4. Submit your objection with a clear explanation and valid supporting documents or references to justify your claim. Ensure the evidence is relevant and concise.
5. Pay a fee of Rs. 50 per objection, as required. The fee is refundable if the objection is upheld. Follow the payment instructions provided on the portal.
6. After filling in the details and uploading the necessary documents, submit your objection. Note that objections cannot be edited once submitted.

Railway Isolated Categories Answer Key 2026 Marking Scheme

Candidates must use the correct marking scheme, i.e., each correct answer will be awarded 1 mark, and 1/3rd of the marks will be deducted for each incorrect answer to calculate their tentative scores using the answer key.

• Correct Answer: +1 Mark
• Incorrect Answer: -1/3 of the Mark
• Total Marks: 100

What After RRB Isolated Categories Answer Key?

After reviewing all the objections raised by the candidates against the answer key, the Railway Recruitment Board will upload the RRB Result along with the zone-wise merit list and cut-off. Based on the marks obtained and selection, candidates will be called for the next stage of Stenography Skill Test (SST)/ Translation Test (TT)/ Performance Test (PT)/ Teaching Skill Test (TST) (as applicable).

RRB Isolated Categories Exam – Minimum Qualifying Marks

Minimum qualifying percentage to qualify in the RRB Isolated Categories Exam has been provided here, same as mentioned in the notification PDF.

• UR / General – 40%
• Economically Weaker Section (EWS) – 40%
• OBC (Non-Creamy Layer) – 30%
• Schedule Caste (SC) – 30%
• Schedule Tribe (ST) – 25%

RRB Isolated Categories Syllabus and Exam Pattern – Click to Check

RRB Ministerial and Isolated Category Previous Year Question Papers- Click to Check