Post Office Savings Scheme 2019Central Rules · 1873
(1) An account in which a deposit or a withdrawal has not taken place for three complete years, shall be treated as a Silent Account and credit of interest in a Silent Account shall not be treated as a transaction.
(2) Transaction in a Silent Account shall be allowed only after revival of account. The account can be revived through an application by the account holder and after completion of the due process by the accounts office.