Section 12(6) in The Post Office Savings Bank General Rules, 1981
(6)Where any nominee is minor, the depositor or depositors making the nomination may, by furnishing the necessary particulars in Form-2, as the case may be, appoint the person to receive payment of the amount due on the account in the event of death of the depositor or depositors, as the case may be, during the minority of the nominee.
