1) start staying separately with your wife
2) if house is standing in name of your mother she can file suit and obtain orders to direct you and your wife to vacate portion of house in their possession and obtain injunction restraining you and your wife from disturbing her possession of the house
3) record your wife threats . Yiur mother can also file DV case against your wife and seek protection order
4) in the event any false 498A is filed obtain AB from court
5) if any false DV case is filed contest it on merits