Section 45ZA(1) in The Banking Regulation Act, 1949
(1)Where a deposit is held by a banking company to the credit of one or more persons, the depositor or, as the case may be, all the depositors together, may nominate, in the prescribed manner, one person to whom in the event of the death of the sole depositor or the death of all the depositors, the amount of deposit may be returned by the banking company.