you need not worry . you are 50%owner of property . even if your husband starts staying in said flat with his parents you are entitled to stay in said property . . under DV act you have right to stay in matrimonial home . it is better both you and your husband visit a family counsellor to resolve your marital problems . please note that to sell, mortgage . the flat your husband will need your consent . you can if you so desire obtain injunction restraining your husband from selling the flat or creating any third party rights