Admissibility of evidence collected through interception

Notwithstanding anything contained in the Code or in any other law for the time being in force, the evidence collected through the interception of wire, electronic or oral communication under the provisions of any other law shall be admissible as evidence against the accused in the Court during the trial of a case: Provided that the contents of any wire, electronic or oral communication intercepted or evidence derived therefrom shall not be received in evidence or otherwise disclosed in any trial, hearing or other proceeding in any Court unless each accused has been furnished, not less than ten days before the trial, hearing or proceeding, with a copy of the order of the relevant Authority, under which the interception was authorised or approved: Provided further that the period of ten days may be waived by the judge trying the offence, if he comes to the conclusion that it was not possible to furnish the accused with the aforesaid information ten days before the trial, in receiving such information, competent authority under any law relating to preventive detention subject to the order, if any, of any competent court: or (b) on any previous occasion prosecuted under the provisions of this Act.