Transfer of property

Hello , my father and grandfather has purchased the property in joint name , my father name appear first and grandfather 2nd, my grandfather has made will before the purchase of property, in will he mentioned that anything purchased after making will , will go to mt father only. now my grandfather expired and we want to remove my grandfather name from share certificate. i have uncle also with whom we dont have any relation and in will it is mentioned that nothing to be given to him as his part has already been paid by my grand father,please help in this regard