Dear Sir,
My father is having two childs, one is my self age (47) and my sister, my sister got married 1991 and she was died on 1999, my father is retired govt employee, he is alive now and he constructed one house in 1985. This is purely self acquired property. This Property is given me through registered gift deed on 2008. Is any body can challenge this property my sister childrens or her husband. Please tell me what will do.