Section 227(b) in Police Regulations, Bengal , 1943
(b)All officers-in-charge of police-stations shall supply as early as possible the District Magistrate concerned as well as the Deputy Conservator, Ports of Calcutta and Chittagong, as the case may be, with an authenticated copy of every report of a casualty to an inland steam-vessel made to any of them under the provisions of section 32 of the Inland Steam-Vessels Act, 1917.