RRB Ministerial & Isolated Answer Key 2026: CEN 08/2025

The RRB Isolated Categories answer key for CEN 08/2025 was released on 31 July 2026, and the objection window closed on 7 August 2026 at 23:55 hrs. Results were declared RRB-wise from 5 October 2026. When RRB Chandigarh published its Junior Translator result, it said candidates could view their result or score card, together with the question paper and final answer key, by logging in with their Registration No. and date of birth. That facility was available for fifteen days from the date of the notice.

How objections worked under CEN 08/2025

• Window: from 31.07.2026 at 23:55 hrs to 07.08.2026 at 23:55 hrs, through a link on the RRB websites and rrb.indianrailways.gov.in, the common website of all RRBs.
• What you could do: view your questions, responses and the answer keys, and object to any question, option or key.
• Fee: Rs.50 plus applicable bank service charges per question. It is refunded, minus bank charges, to the paying account if the objection is found correct.
• Payment: debit or credit card, UPI or net banking.
• Finality: no representation was entertained after the deadline, and the RRBs' decision on objections is final and binding.

Source: RRB notice on viewing CBT questions, responses and keys, CEN 08/2025 (31 July 2026).

How to calculate your score from the key

Under CEN 08/2025, the CBT has 100 objective questions in 90 minutes, each worth one mark. For every post except Junior Translator (Hindi), the indicative split is:

• Professional Ability: 50
• General Awareness: 15
• General Intelligence and Reasoning: 15
• Mathematics: 10
• General Science: 10

The Junior Translator paper is different. At least 50% of its questions test language (20% English and 30% Hindi), and the rest cover general knowledge, general intelligence, simple arithmetic and basics of computers. One third of a mark is deducted for each wrong answer, so your score is correct answers minus wrong answers ÷ 3. For example, 60 correct and 30 wrong gives 60 − 10 = 50.

The minimum marks for eligibility are 40% for UR and EWS, 30% for OBC (non-creamy layer) and SC, and 25% for ST. For PwBD candidates these may be relaxed by 2 marks if there are not enough of them for their reserved vacancies. Cut-offs are published per post and community, out of 100. At RRB Chandigarh, the UR cut-off for the Junior Translator Translation Test shortlist was 74.41078.

What happened after the objection window

The RRBs published CBT results post by post and RRB by RRB, mostly on 5 and 6 October 2026 (RRB Prayagraj's list came on 8 October 2026), and a score card link followed on 8 October 2026. Junior Translator (Hindi) candidates shortlisted from the CBT will take the Translation Test on 30 October 2026.

RRB Ministerial and Isolated answer key in past cycles