1) refuse to bow down to black mail tactics .
2) your mother is a widow and she needs your support . how can you ask your mother for share in property . it is her security for her old age
3)send letter to your wife that it is 3 months since your daughter has been born and request her to rejoin you in matrimonial home
4) visit your wife and child on weekends if possible .
5) if your wife files 498A case against you , your mother and your brother obtain Anticipatory bail from sessions court
6) in case Dv case is filed contest it on merits and obtain exemption from personal appearance for your mother