The main ground on the plea is section 300 of Cr.P.C. and article 20(2) of constitution of india. Regarding double jeopardy. The convicted are been in jail from 1991 to till date. Moreover the convicted in jail for 11 years for presidential mercy.
They have already undergone 20 years in jail. the inmates already undergone the alternate punishment of life imprisonment period. THERE CANNOT BE TWO PUNISHMENT FOR SAME OFFENCE.