Section 365(g) in Police Regulations, Bengal , 1943
(g)Dafadars and chaukidars sending messages about the prevention or detection of crime shall give their names, designations and addresses in the body of the telegram. In the space allotted for "signature" (and which will not be signalled), they shall, also give their names, designations and addresses in full, including the name of the police-station and district. A dafadar or chaukidar shall also in all cases affix his left thumb impression to the message. If he is illiterate, he shall see that the above details are entered on his behalf by the writer of the telegram.