If somebody has mentally handicapped person and his mother has 90 years old lady & they had no any relative other than his sister & her late elder son's wife. But her son's wife has not looking towards them . And quareled with her mother in law for her share in land. They has owned a piece of land approx (2 hector). Now his mother wants to give all the rights of her & his mentally handicapped son to her daughter then how can she gave it . or if she done guardian certificate of him then can we legally transfer his share to his sister's name. But the said land is jointly owned by Pl guide me.
