1) who is the owner of property ?
2) if mother is absolute owner she can issue legal notice to son and daughter in law to vacate the house
3) if they refuse mother can move court and obtain injunction restraining son and daughter in law from disturbing her peaceful possession and obtain orders to direct them to vacate the portion of house in their possession
4) contest 498A and DV case on merits
5) 80 per cent of 498A class end in acquittal