Tranfer of a joint ownership to sole ownership

MY UNCLE AND AUNT HAS A JOINT OWNERSHIP PROPERTY ( MAHARASHTRA)  . RECENTLY MY UNCLE  EXPIRED WITH ONLY LEGAL HEIR IS MY AUNT THAT HIS WIFE WHO IS ALSO A CO - OWNER OF A PROPERTY .

I WANT TO KNOW IS IT POSSIBLE TO TRANFER WHOLE JOINT OWNERSIP IN TO SOLE OWNERSHIP THAT IS IN MY AUNT'S  NAME .

IF YES WHAT IS THE PROCEDURE OF TRAFER JOINT OWNERSHIP TO SOLE OWNERSHIP WHO IS ALSO A CO - OWNER?

WHAT DOCUMENT  IS REQUIRE ?

THANKS