Wife Cheated

Hi Team, Please help me am completely mentally sick,my wife cheated me in so many ways,first of all ours is love marriage with in 3 months of love we got married as per hindu marriage,period of marriage is 18 months.Before our marriage she as illegal affairs with persons and she got abort items recently i got to know and asked her regards that she said that yes,but i dont have any evidence and recently we blessed with baby girl of 1 month old.My wife caste is Schedule caste and mine is Back ward class.From the day when i got this news about her am not in mentally stable.from the day am not even sending her parents home,because her ex boyfriend stay in same area,even i got so many calls regards her and when ever i go their ex boy friends call me and say that u came to our place.Finally she is not being good with men and parents.what to do?Even i dont taken any dowry.They making afraid saying that we are Schedule caste we will put so many cases on you.Cases like 498A,caste,harassment.My parents are worry about me.I got totally distrubed recently i facing problem with panic attacks so finally i visited psychiatrist for medication.Please advice what to do.