149. 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.
Information of design to commit such offences
150. 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.
Arrest to prevent such offences
151. 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.
Prevention of injury to public property
152. 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 use for navigation.
Inspection of weights and measures
153.(1) Any officer in charge of a police-station may, without a warrant, enter any place within the limits of such station for the purpose of inspecting or searching for any weights or measures or instruments for weighing, used or kept therein, whenever he has reason to believe that there are in such place any weights, measures or instruments for weighing which are false.
(2) If he finds in such place any weights, measures or instruments for weighing which are false, he may seize the same, and shall forthwith give information of such seizure to a Magistrate having jurisdiction.
