(1) Notwithstanding (a) the substitution of new provision for sub section (3) of section 5 of the Prevention of Corruption Act, 1947 (hereinafter referred to as the 1947 Act), by section 6(2)(c) of the Anti Corruption Laws (Amendment) Act, 1964 (hereinafter referred to as the 1964 Act); and (b) any judgment or order of any court, the said sub section (3) as it stood immediately before the commencement of the 1964 Act shall apply and shall be deemed always to have applied to and in relation to trial of offences punishable under sub section (2) of section 5 of the 1947 Act pending before any court immediately before such commencement as if no such new provisions had been substituted for the said sub section (3); (2) The accused person in any trial to and in relation to which sub section (1) applies may, at the earliest opportunity available to him after the commencement of this Act, demand that the trial of the offence should proceed from the stage at which it was immediately before the commencement of the 1964 Act and on any such demand being made the court shall proceed with the trial from that stage.