(1) If, from information received or otherwise, an officer in charge of a police-station has reason to suspect the commission of an offence which he is empowered under section 156 to investigate, he shall forthwith send a report of the same to a Magistrate empowered to take cognizance of such offence upon a police-report, and shall proceed in person, or shall depute one of his subordinate officers ^[4] to proceed, to the spot, to investigate the facts and circumstances of the case, ^[6] for the discovery and arrest of the offender: ^{[1] [3] [4] [5] [6]}

1. Where local investigation dispensed with. when any information as to the commission of any such offence is given against any person by name and the case is not of a serious nature, the officer in charge of a police-station need not proceed in person or depute a subordinate officer to make an investigation on the spot;
2. Where police-officer in charge sees no sufficient ground for investigation. if it appears to the officer in charge of a police-station that there is no sufficient ground for entering on an investigation, he shall not investigate the case.

(2) In each of the cases mentioned in clauses (a) and (b) of the proviso to sub-section (1), the officer in charge of the police-station shall state in his said report his reasons for not fully complying with the requirements of that sub-section, ^[1]