rrbapply.gov.in Railway Recruitment Board (RRB) RRB NTPC Answer Key 2025 Link, Raise Objection, Indian Indian Railway has out the RRB NTPC UG 2025 Answer Key on 15 September 2025 and Authority was conducted the Written Examination for the RRB NTPC Recruitment 2025 for 10+2 Undergraduate Level Posts from 07 August 2025 to 08 September 2025….