Love marriage

Hello sir.i loved a girl she also loves me.her mariage was fixed with another guy who is having very high background his brother is si and his father is ex mla like that.that boy is curently working in sbi bank.the problem is at first when her sister aproached her for this mariage proposal she said k as she thought she is making fun.later he got to know that it was not fun and all arangements are done within 2 days and mariage is fixed within no time 1 week.she didnt tell to them dat she doesnt want to mary because of fear.the day befr mariage she came out from home with her brother in law.nw she is safe but her family is in station.they filed cheatng case on them n told to his brother in law get her back if nt we wil do wat we want to do.she has to come here and tell sorry infront of all and she has to get back my name if not we wil take severe action on everyone.pls suggest me wat to do sir i dont want to mis her.she wil die if that mariage hapens means.they r nt listening to anything.we dont have mny to repay them atleast.if we repay al amount within hour we wil leave u but we cant have capacity to do pls sugest me how can we and out from this safely.we both r majors only