The RRB Isolated Categories Answer Key 2026 is now available for the Computer Based Test (CBT). Candidates can download their official response sheets and question papers to calculate their scores and file online objections if any discrepancies are found during the official window.
The Railway Recruitment Board (RRB) has officially released the RRB Isolated Categories Answer Key 2026 following the CBT held on 14 and 15 July 2026. By logging into their regional RRB portals with their Registration Number and Date of Birth, candidates can access their provisional answer keys, individual response sheets, and question papers. Find the direct link, objection instructions, and exam updates below.
RRB Isolated Categories Answer Key 2026 Out
The RRB Isolated Categories 2026 answer key serves as a crucial tool for candidates to cross-verify their marked responses against the official key and calculate their estimated performance.
Should you identify any incorrect answers in the provisional key, you may formally submit an objection through the official portal during the designated window, subject to a prescribed processing fee.
We strongly advise all candidates to download and thoroughly review their response sheets against the master question paper before initiating the objection process.
RRB Isolated Categories Answer Key 2026 Overview
| Particulars | Details |
| Exam Name |
RRB Isolated Categories Recruitment 2026
|
| Conducting Authority |
Railway Recruitment Board (RRB)
|
| Article Name |
RRB Isolated Categories Answer Key 2026
|
| Exam Date |
14 & 15 July 2026
|
| Category | Answer Key |
| Answer Key Status | Released |
| Answer Key Release Date |
31 July 2026
|
| Response Sheet | Released |
| Objection Window | 31 July to 7 August 2026 |
| Mode of Availability | Online |
| Official Website |
rrb.indianrailways.gov.in
|
RRB Isolated Categories Answer Key 2026 Download Link
Candidates who participated in the CBT can access their provisional answer key, question paper, and response sheet exclusively through the secure candidate login portal using their Registration Number and Date of Birth.
Download RRB Isolated Categories Answer Key 2026 Link – Active
How to Download RRB Isolated Categories Answer Key 2026?
Follow our simplified step-by-step guide below to download your RRB Isolated Categories answer key quickly and efficiently.
- Visit the official website of the Railway Recruitment Board.
- Open your respective regional RRB portal.
- Click on the RRB Isolated Categories Answer Key 2026 link available on the homepage.
- Enter your Registration Number and Date of Birth/Password.
- Complete the security captcha displayed on the screen.
- Click on the Login button.
- The answer key, response sheet, and question paper will appear on the screen.
- Download the PDF and save it for future reference.
Credentials Required to Download RRB Isolated Categories Answer Key 2026
Please ensure you have your login credentials ready before accessing the official portal to retrieve your exam documents.
|
Required Credentials
|
|
1. Registration Number
|
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2. Date of Birth or Password
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| 3. Captcha Code |
RRB Isolated Categories Answer Key 2026 Response Sheet
Candidates identifying discrepancies in the provisional key may challenge the answers via the official online portal. Please note that the RRB only entertains objections submitted within the specified timeline.
RRB Isolated Categories Objection Fee
A nominal fee is applicable for each objection raised. If your challenge is verified and accepted by the RRB examination authorities, the fee will be refunded in accordance with official board guidelines.
| Particular | Details |
| Objection Fee |
₹50 per question + applicable bank charges
|
| Mode of Payment | Online |
| Refund |
Refunded if the objection is accepted
|
RRB Isolated Categories Marking Scheme 2026
Use the official RRB marking scheme outlined below to calculate your expected score accurately.
| Particular | Marks |
| Correct Answer | +1 Mark |
| Incorrect Answer | -1/3 Mark |
| Unattempted Question | No Marks |
Formula to Calculate Expected Score
Expected Score = (Number of Correct Answers × 1) − (Number of Wrong Answers × 1/3)
RRB Ministerial and Isolated Categories Expected Cut Off 2026
Compare your calculated score against the expected cut-off marks, which are determined by vacancy counts, candidate participation, and overall exam difficulty. The table below outlines the anticipated category-wise cut-offs.
| Category | Expected Cut-Off |
| General (UR – Unreserved) | 70–76 Marks |
| Other Backward Classes (OBC) | 65–70 Marks |
| Economically Weaker Section (EWS) | 60–66 Marks |
| Scheduled Caste (SC) | 55–60 Marks |
| Scheduled Tribe (ST) | 50–55 Marks |
What After RRB Isolated Categories Answer Key 2026?
Once the objection deadline expires, RRB subject experts will conduct a thorough review of all submitted challenges and supporting evidence provided by the candidates.
Following the expert review, any necessary adjustments will be reflected in the final answer key. The subsequent RRB Isolated Categories Result 2026 will be declared based on this final version.
FAQs
Yes, the RRB officially published the Isolated Categories Answer Key 2026 on 31 July 2026, alongside candidate response sheets.
Candidates can download the answer key by visiting their respective regional RRB portal and logging in with their Registration Number and password/date of birth.
The RRB Isolated Categories Computer Based Test (CBT) was successfully conducted on 14 and 15 July 2026.
Yes, candidates can submit objections online during the specific objection window by paying the fee and providing valid proof.
The prescribed fee is ₹50 per question, excluding applicable bank charges, for every challenge submitted.
Yes, a negative marking of 1/3 mark is applied for every incorrect answer; no penalties are applied for unattempted questions.