Mother leaving 4 years girl child and husband

Six days ago there is some problem between me and wife in that situation I had beat my wife and she went off to her parents house leaving me and my child 4 years baby . She went to police station and kept petty case type on me and CI called me and give counselling for both of us and told that stay her in home for 10days with her parents and said be in contact whenever u want , but from that minute she is in no contact and I tried several times to her mother father sister mobile numbers but there is no response , what should I want to do to contact her for apologize me and baby is asking for mother. This is what happened and it is over 3 weeks now we went to the police station on 1 June the baby went to her mother but she even don't look at the baby and don't touch the baby also and she is saying that when CI asked her to take the baby with her she replied that I have no much intimacy with the child and I want to do job now, and the CI asked to come after 15 days but the major problem is baby is continuously asking her mother from that day want is the solution please help me now they are pressuring me for her certificates and loan closures on her name through mediators they are from political background persons