Deemed abetment

(1) Where any vehicle or vessel is used in the commission of any offence punishable under section 4, 4-A or 4-B, the driver of such vehicle or vessel shall, unless the contrary is proved, be deemed to have abetted the offence under section 4, 4-A or 4-B, as the case may be, and shall be punished with imprisonment for a term which may extend to three years and with fine which shall not be less than Rs. 5,000; (2) The owner of a public service vehicle shall also be liable to be punished for the offence committed by the crew of the vehicle or vessel unless he proves that he had no knowledge of such offence or that he had exercised all due diligence to prevent the commission of such offence.