India, Sept. 20 -- The Railway Recruitment Boards will be closing the window to challenge the provisional answer key on Friday, September 20, 2025. Candidates who took the Non-Technical Popular Categories (Undergraduate) examinations and wish to challenge the answer key can do so on the official website of regional RRBs.

The link to challenge the answer key will be active till 11:55 PM.

RRBs had released the provisional answer key for RRB NTPC UG Answer Key 2025 on September 15, 2025. Along with the answer key, candidates can also view questions, and responses.

Candidates can challenge the answer key by making a payment of Rs.50/- plus applicable Bank Service Charges per question. The fee can be paid via Rupay Cards/Credit Cards, UPI o...