Dads Property Registered in Minors Name how to get title transferred

My father bought a property on 1986 out of his own funds as he had a well established business after selling part of his business. My father was a alcoholic during registration my father's brother who was a minor at that time got the property registered on his name without s guardian and was a school going student. My father's name is entered in the RTC .. after my father's death my mom's n my name is entered in the RTC.. property I'd in our possession and assessment is paid by us...we have built a house in it.. now how can we go abt getting title in our name. . Have my father's income tax clearance for the year of purchase