RRB Isolated Categories Answer Key 2026 Out: Download CBT Response Sheet & Raise Objections

The Railway Recruitment Board (RRB) has officially released the RRB Isolated Categories Answer Key 2026 on 31st July 2026. Aspirants who participated in the Computer-Based Test (CBT) held under Advertisement No. CEN 08/2025 on 14th and 15th July 2026 can now access their response sheets, evaluate their scores, and submit representations against provisional answers if necessary.

Railway Isolated Categories Answer Key 2026: Overview

The official answer key portal is accessible via major regional boards at www.rrb.indianrailways.gov.in and www.rrbcdg.gov.in. Reviewing the summary table below will help candidates understand crucial dates and structural exam guidelines:

How to Download Railway Isolated Categories Answer Key 2026

To view your answers and calculate provisional scores, follow these steps:

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

Once logged in, candidates will find comprehensive metrics verified on their individual response sheets:

• 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)

Marking Scheme & Minimum Qualifying Marks

Computing your expected marks requires adhering strictly to the official evaluation formula out of a total of 100 marks:

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

Additionally, candidates must cross-check category-wise minimum qualifying benchmarks:

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

Steps to Raise Objections Against RRB Isolated Categories Answer Key 2026

If discrepancies are spotted, objections can be filed between 31st July and 7th August 2026 (11:55 pm) / 8th August 2026 by following this procedure:

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.

Next Steps After Checking the Answer Key

After reviewing your response sheet and estimating your score based on the marking criteria, candidates should prepare for subsequent selection stages. Keep your login credentials secure, monitor official portals for final result updates, and review exam guidelines. For further preparation and background verification, you can explore additional resources:

• RRB Isolated Categories Result 2026 – Click to Check
• RRB Isolated Categories Syllabus and Exam Pattern – Click to Check
• RRB Ministerial and Isolated Category Previous Year Question Papers- Click to Check

Frequently Asked Questions (FAQs)

Is RRB Isolated Categories Answer Key 2026 released?

Yes, the RRB Isolated Categories Answer Key 2026 was officially released on 31st July 2026.

What details are required to download RRB Isolated Categories Answer Key 2026?

Candidates will need their unique Registration Number and Date of Birth to successfully download the answer key.

Can I raise objection against for the official answer key?

Candidates can submit objections regarding the answer key starting from 31st July until 7th August 2026 (11:55 PM).

How can i raise the objection against the RRB Isolated Categories Answer Key 2026?

The Railway Recruitment Board has enabled a dedicated objection link for all candidates who appeared in the CBT exam to contest provisional answers.