Section 483(2) in The Bombay Provincial Municipal Corporations Act, 1949
(2)It shall be the duty of every police officer in the City to communicate without delay to the proper municipal officer any information which he receives of a design to commit or of the commission of any offence against this Act or against any rule, regulation or bye-law and to assist the Commissioner or any municipal officer or servant reasonably demanding his aid for the lawful exercise of any power vesting in the Commissioner or in such municipal officer or servant under this Act.