Paternal uncle forged signature of father can he claim his property

My paternal uncle took a loan from a state financial corporation around 30 years ago. However he did not pay them back and 20 years ago ran away from that state to Delhi. He gave all that money to his son and daughter and bought a house in Delhi by daughter name. In the meantime he forged signature of my father stating to the financial corporation that he is the guaranteer. The signature can be seen as made by a child. The case ran in Delhi courts for a long time. Now if my father gives his property to me or someone in the family in his lifetime how can they claim it in case they know the address of the property.