Section 156 of CRPC "Police officers power to investigate
(1) Any officer in charge of a police station may, without the order of a Magistrate, investigate any cognizable case which a Court having jurisdiction over the local area within the limits of such station would have power to inquire into or try under the provisions of Chapter XIII.
(2) No proceeding of a police officer in any such case shall at any stage be called in question on the ground that the case was one which such officer was not empowered under this section to investigate.
(3) Any Magistrate empowered under section 190 may order such an investigation as above-mentioned.
Section 157 of CRPC "Procedure for investigation"
(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 not being below such rank as the State Government may, by general or special order, prescribe in this behalf, to proceed, to the spot, to investigate the facts and circumstances of the case, and, if necessary, to take measures for the discovery and arrest of the offender:
(a) when 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;
(b) 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 report his reasons for not fully complying with the requirements of that sub-section, and, in the case mentioned in clause (b) of the said proviso, the officer shall also forthwith notify to the informant, if any, in such manner as may be prescribed by the State Government, the fact that he will not investigate the case or cause it to be investigated.
Section 158 of CRPC "Report how submitted"
(1) Every report sent to a Magistrate under section 157 shall, if the State Government so directs, be submitted through such superior officer of police as the State Government, by general or special order, appoints in that behalf.
(2) Such superior officer may give such instructions to the officer in charge of the police station as he thinks fit, and shall, after recording such instructions on such report, transmit the same without delay to the Magistrate.
Section 159 of CRPC "Power to hold investigation or
Such Magistrate, on receiving such report, may direct an investigation, or, if he thinks fit, at once proceed, or depute any Magistrate subordinate to him to proceed, to hold a preliminary inquiry into, or otherwise to dispose of, the case in the manner provided in this Code.
What is Power to attach subject of dispute and to appoint receiver? What is Dispute concerning right of use of land or water? What is Local inquiry? Section 146, 147 and 148 of Code of Criminal Procedure 1973
What is Police to prevent cognizable offences? What is information of design to commit cognizable offences? What is arrest to prevent the commission of cognizable offences? Section 149, 150 and 151 of Code of Criminal Procedure 1973
What is Police officers power to investigate cognizable case? Procedure for investigation? Report how submitted? Power to hold investigation or preliminary inquiry? Section 156, 157, 158 and 159 of Code of Criminal Procedure 1973
Section 160 of Code of Criminal Procedure What is Police Officer's Power to summon witnesses under?. What are the conditions to issue Summon under section 160 of CRPC? What is the punishment for non Compliance of Summon Section 160 Summon?