my father borrow 3 lac from his friend and given him 3 blank cheques with signature. after some time my father credit share of rs 2 lacs to his frnds a/c bt his frnd did not return cheque instead he gave those 3 cheque to his 3 different frnds and nw they fire case on my father.we have share credited doc with us bt we cant gave to court bcz the case is done by other person.we also done laboratary test on cheque for amount wriitne on cheque. my father doesnt wriiten amt bt the other person wriiten it and amt is 3 lac written. the resullt of laboratory test is positive to us and opisite party dont have any document or proof for case bt our court at Amreli given judgement that my father is guilt and expected to give 3 lac rs to that person.my father also gave other cheque to his coligue and he also fire case on us bt we won that case bt not this one nw my father is in jail we apeal in high court and after a week my father will get the bell.nw what shoud be done in my father's case.there are 2 more case pending in court what should be done??plz help my father had only mistake that he did not ask for get back cheque from his frnds my father is not guilt he is innocent.plz help