The Railway Recruitment Boards (RRBs) are expected to release the RRB NTPC UG CBT-1 Answer Key 2026 on June 27, 2026, for candidates who appeared in the CEN 07/2025 examination. The official answer key has not been released yet. After the release, candidates will be able to access the provisional answer key, question paper, and response sheet through the official website. The objection process, fee details, and submission timeline will also be announced.