Offences by bodies of persons
68.  Where an offence under this Act or any regulations made thereunder has been committed by a company, firm, society or other body of persons, any person who at the time of the commission of the offence was a director, manager, secretary or other similar officer or a partner of the company, firm, society or other body of persons or was purporting to act in such capacity shall be guilty of that offence and shall be liable to be proceeded against and punished accordingly unless he proves that —
(a)the offence was committed without his consent or connivance; and
(b)he exercised all such diligence to prevent the commission of the offence as he ought to have exercised, having regard to the nature of his functions in that capacity and to all the circumstances.