S. 276B : Offences and prosecutions-Failure to pay to the credit tax deducted at source–Directors in charge, to show that offence occurred without their knowledge or due diligence exercised by them to prevent commission of offence-Non-issuance of separate notices, does not absolve directors in charge-Order f lower courts acquitting directors is held to be erroneous-Benefit of probation granted to accused directors of assessee and levy of fine. [S. 2(35), 278B]