To amend the Criminal Procedure Act, 1977, to provide for the postponement of certain criminal proceedings against an accused person in custody awaiting trial through audiovisual link; to further regulate the falling away of certain convictions as previous convictions after the expiry of a fixed period; to provide for the expungement of criminal records of certain persons in respect of whom certain sentences have been imposed after the compliance with certain requirements and the expiry of a fixed period; to provide for the expungement of certain criminal records of persons under legislation e