Section 117(2) in The Indian Post Office Rules, 1933
(2)The acknowledgement along with the voucher shall be kept in the Head Offices of office of payment and shall be sent to the office of issue on demand. If the remitter requests for an acknowledgement, the office of issue shall send a written communication to the office of payment for the same and thereafter office of payment shall send the acknowledgement to the remitter by post:Provided that a certificate of payment shall be issued by the office of issue on the request of the remitter.Vide GSR 864 (E) dated 18th December 2008
