The RRB NTPC, Group D, and other exams are less than a month away. These exams are scheduled to begin on December 15 and as per the information given by the railway recruitment boards (RRB), details of exam city and date are likely to be released 10 days before the exam date. Call letter will not be sent to candidates by post, RRBs have said. Candidates have to download their admit card or the call letter from the website of the RRBs. With the exam starting on December 15, the admit cards and other details of the exam can be expected that in the first week of December. The exact schedule of RRB NTPC and RRB group D exams have not been released yet. Meanwhile, RRBs have already notified that the exam for selection to Ministerial and Isolated category posts will be held from December 15 to December 23.