Section 180D(2) in The Railways (Second Amendment) Act, 2003
(2)For this purpose, the officer authorised may exercise the same powers and shall be subject to the same provisions as the officer in charge of a police station may exercise and is subject to the provisions of the Code of Criminal Procedure, 1973 (2 of 1974), when investigating a cognizable case: Provided that-(a)if the officer authorised is of the opinion that there is sufficient evidence or reasonable ground of suspicion against the accused person, he shall either admit him to bail to appear before a Magistrate having jurisdiction in the case, or forward him in custody to such Magistrate;(b)if it appears to the officer authorised that there is not sufficient evidence or reasonable ground of suspicion against the accused person, he shall release the accused person on his executing a bond, with or without sureties as the officer authorised may direct, to appear, if and when so required, before the Magistrate having jurisdiction. Search, seizure and arrest how to be made.
