RRB NTPC Phase 3 CBT 2021: Exam dates, admit card release date and other latest updates NTPC CBT-1 is being held in several phases to manage the large number of candidates who applied for the recruitment test. Share Updated: Jan 22, 2021, 05:12 PM IST The Railway Recruitment Board on Wednesday announced RRB NTPC Phase 3 CBT exam dates for the recruitment of various NTPC graduate and undergraduate posts. RRB will conduct the third phase of tier-1 computer-based test (CBT-1) for the non-technical popular category (NTPC) recruitment exam from January 31 to February 12. As per the official notice issued by the Railways, a total of 28 lakh candidates are expected to appear for the examination.