What happens if my aunts file a claim for property share?

Where I am living since birth and my mother since 1989 this is my grandmother named property and she passed away in 2013 without any will and transfer of property between her two sons even though my father who passed away in 2015 and my uncle living in their separate part 46 gaj each out of 92 gaj with wall in the centre and my father also constructed 2 floor in our side in 1998 and after my grandfather death in Feb 2024 now my father's two sisters wants their share now I don't know what should I do or if they file a suit for claim what gonna happen we build this house and our uncle build his own as well even grandmother/grandfather they orally told us to live separately to their two sons I lost my father in 2015 and now preparing for government job my mother living with widow pension elder sister work for us this is disheartening situation to see my greedy buaa's who already living in their own home and after the suit I will become a homeless