Will i eligible to claim a share in my grandfather's property

My father and his father jointly build a home by investing equal amount for the property out of their own income.but the land was registered in the name of my grandfather. My father died 7 years back. My mother ,sister and myself were living in the home for the past 13 years. My grandfather left the home before 4 years and then My grandfather transferred the property to my father's 2 brother and his one sister while the partian suit by my mother was running in the court and later the case was dismissed. And they three sold it to somebody.Third parties were trying to get us out of the property . We filed for a permanent injunction and that was ordered in favour of us. the local police station officers tried to get us out of the house even after the judgement. The opposite party filed a suit that they have no knowledge about the above case. He says that the property was self acquired from his own income and therefore my mother has no right to claim in the property. He refused to give a share . As a granddaughter , can i claim a share and compensation from the property or my mother can?