Section 181(c) in Police Regulations, Bengal , 1943
(c)It is forbidden to use official stationery or service stamps for private correspondence or to enclose private correspondence with official communications. Officers shall not send communications on private matters, such as their leave, change of appointment, etc., by service messages, or in service-paid letters. Should a reply to such a communication be required by telegram, the cost of the reply shall be prepaid. Any infringement of this regulation should be brought to the notice of the official superiors for disciplinary action.
