Gujarat Provincial Municipal Corporations Act, 1949
Where a person committing an offence under this Act, or any rule, bylaw, regulation or standing order is a company, or a body corporate, or an association of persons (whether incorporated or not), or a firm, every director, manager, secretary, agent or other officer or person concerned with the management thereof, and every partner of the firm shall, unless he proves that the offence was committed without his knowledge or consent, be deemed to be guilty of such offence.