My mother had opened a locker with her mother-inlaw in 1975 in a bank with clause "Either or survior" with no nomination............
My grandmother has expired so according to RBI the locker contents should go to mother.
However My Chacha and a cousin are claiming that they have put their gold inside the locker....They have also obtained injunction on the basis on their statement. No other evidences have been submitted by them.
How do I defend that all locker contents soley belong to my mother and how do I prove that my chacha and cousin's claim is false. (please advise if possible in terms of any acts or sections etc.)