Section 148 in The Code of Criminal Procedure
Title: Local inquiry
(1) Whenever a local inquiry is necessary for the purposes of section 145, section 146 or section 147, a District Magistrate or Sub-divisional Magistrate may depute any Magistrate subordinate to him to make the inquiry, and may furnish him with such written instructions as may seem necessary for his guidance, and may declare by whom the whole or any part of the necessary expenses of the inquiry shall be paid.
(2) The report of the person so deputed may be read as evidence in the case.
(3) When any costs have been incurred by any party to a proceeding under section 145, section 146 or section 147, the Magistrate passing a decision may direct by whom such costs shall be paid, whether by such party or by any other party to the proceeding, and whether in whole or in part or proportion and such costs may include any expenses incurred in respect of witnesses and of pleaders fees, which the Court may consider reasonable.
Title: Police to prevent cognizable offences
Every police officer may interpose for the purpose of preventing, and shall, to the best of his ability, prevent, the commission of any cognizable offence.
Title: Information of design to commit cognizable offences
Every police officer receiving information of a design to commit any cognizable offence shall communicate such information to the police officer to whom he is subordinate, and to any other officer whose duty it is to prevent or take cognizance of the commission of any such offence.
Title: Arrest to prevent the commission of cognizable offences
(1) A police officer knowing of a design to commit any cognizable offence may arrest, without orders from a Magistrate and without a warrant, the person so designing, if it appears to such officer that the commission of the offence cannot be otherwise prevented.
(2) No person arrested under sub-section (1) shall be detained in custody for a period exceeding twenty-four hours from the time of his arrest unless his further detention is required or authorised under any other provisions of this Code or of any other law for the time being in force.
Title: Prevention of injury to public property
A police officer may of his own authority interpose to prevent any injury attempted to be committed in his view to any public property, movable or immovable, or the removal or injury of any public landmark or buoy or other mark used for navigation