Provided that no person shall be punished twice for the same offence.

Procedure for court taking cognizance of offences Procedure for court taking cognizance of offences :- 15. No court shall take cognizance of any offence under this Act when the accused person is a special armed police officer except on a report in writing of the facts constituting such offence and with the previous sanction of an officer authorised by the Government in this behalf.