Section 10(6) in The West Bengal Separation of Judicial And Executive Functions Act, 1970
(6)No powers shall be conferred upon this section on any police officer below the grade of Assistant District Superintendent, and no powers shall be conferred on a police-officer except so far as may be necessary for preserving the peace, preventing crime and detecting, apprehending, and detaining offenders in order to their being brought before the appropriate Magistrate and for the performance by the officer of any other duties imposed upon him by any law for the time being in force.".
