13 B Dismissed and order of child custody as per MOU

Into 13 B case, in 1st Motion : mother gave the customer of minor child to father who is 5.5 Year old now and 4+ year old at the time of filing at the time of 1st motion it was MOU term, that if father will not give divorce then custody of child will be return back to mother after crossed the 18 months time period, now Father didn't gave his concent at the time of second motion (due to some unavoidable reasons), and mother demand the custody of child as per the MOU father files the reply why custody will not grant to mother, with following reason 1. Affair of mother 2. Person who involved with mother gave treat to father if he will not give divorce then he will kill him 3. No income of mother as she is not working anywhere 4. Child juridiction is different, means statewise, mother and father live in different state but judge sahab (ADJ) refuse these point and pass the order of minor child custody without asking the reply from Mother's lawyer Please help me for this point: 1. If i challange the order of ADJ in Chandigarh highcourt, can we get stay against this order on urgent basis 2. If we get stay from high court then during the period of case, will high court bench consider this fact of Mother's affair and other points which we arrise in our favor or just they ask us to follow the MOU point as per the 13 B case. 3. Or High Court will straight away pass the final order to handover the customer of child (Son) to mother as per the MOU, 4. Can any MOU will be more important of life of child, because mother has no love and affection, and grant parents have same attitude. 5. and on which ground i can challenge that order to save life of my child ? Please help me out