, We have purchase agriculture land from my uncle in 1992 through just Rs.10 stamp paper, but till date we have not prepared 7-12 8A documents in my fathers name now my uncles's son demanding that land on his name and he has done 7-12 8A documest in his name,in the documents evidence we have only stamp paper on which sing of my uncle (now he is expired)and witness.what should we do to get this land on our name? pls help me