my uncle (mother's brother ) died in mumbai he was unmarried and my mother is only sister ( she is also no more ) now my uncle have one one room kitchen house in mumbai in one chawl in pagdi system. this room he got from his father (my mother's father ). and they have that room since more then 50 years. now my uncle has made a will in our favour ( my self and my sisters ) he has mentioned all his belongings including this room . but the building owner is refusing to transfer it on my name or dont want to give any money. he has planned to make new tower on this place. so can i have any rights on this property ? what can i do for to claim it and get it. this owner is new he is a developer and he has purchased this property from the original owner. ( building have 55 flats , and most of are occupied by the residents )