Remission or commutation of certain sentences not to be without consent. Notwithstanding anything contained in section 401, section 402, section 402A or section 402B, the Provincial Government, the Federal Government or the President shall not, without the consent of the victim or, as the case may be, of his heirs, suspend, remit or commute any sentence passed under any of the sections in Chapter XVI of the Pakistan Penal Code.