X opened Joint Postal MIS account with her sister Y and kept Rs.3,00,000/- in the account.
Nomination has been made - Daughter of Y. Account is Joint-B type. Subsequently X died.
Z is the Legal heir of X. Now Y & Daughter of Y are denying any amount to Z.
Will Z succeed in any legal action as per Hindu Succession Act or Post Office Savings Act?
What are the chances of Z getting success?
Are there any reported rulings of the Supreme Court/High Court?
Requesting Legal Experts for their advice.