Action against access denied on ancestral property

Agricultural Land, an ancestral property which was in the name of my grandfather who died 20 years back got transferred in the name of his legal heirs – my grandmother and his 2 sons- my father and my uncle. My father died 12 years back. My grandmother died 4 years back. After my grandmother’s death, myself approached the Local Talathee office, provided them with the death certificates of my father and grandmother and my father’s ownership transferred in the name of myself and my mother, since we are his only legal heirs and grandmother’s ownership transferred to my uncle and since my father is no more to myself and my mother. According to this the the names my father and my grand-mother removed and names of myself and my mother added on the 7-12 of the land. But Uncle refuses to give us anything. He still continues to hold and cultivate the entire land denying us access to it, although the 7-12 is also in our name too. Since we are two helpless women he literally is bullying us.