RRB NTPC: Admit card for fourth phase exam is scheduled to be released today. New Delhi: For the fourth phase of RRB NTPC exam, the admit cards will be released today. The RRB NTPC fourth phase exam begins on February 15 and will be held till March 3. According to the data shared by the railway recruitment boards (RRB), close to 16 lakh candidates will sit for the exam which is being held for selection to non-technical popular category (NTPC) posts. Over 1.26 crore candidates have registered for the RRB NTPC exam. Candidates can download the RRB NTPC admit card from the official website of the boards using their registration details.