When Police officer may arrest without warrant.

Any police officer may, without any order from a Magistrate and without a warrant, arrest- (1) any person who has been concerned in an offence punishable under Sec 121 or against whom a reasonable complaint bas been made or credible information has been received or a reasonable suspicion exists, of his having been concerned in such offence; (2) any person who contravenes a rule or order under Cl. (x) of sub-section (l) of Sec. 33 or an order or notification under Secs. 36, 37, 56, 57, 57-A or 63-AA ; (2-A) any person who contravenes any order made under sub-section (1) of Sec. 63-A ; (3) any person who commits an offence punishable under Sec. 122 or Sec. 136.