Section 710(a) in Police Regulations, Bengal , 1943
(a)Escort to and from subdivisions shall, where necessary, be supplied. Sub-divisional Magistrates and Munsifs requiring emergency escorts shall write or telegraph to the Superintendent and never, except in cases of immediate necessity, apply to the Sub-divisional Police Officer or the Circle Inspector, as the case may be, to supply them by withdrawal of force from the police-stations. In such cases of immediate necessity the Sub-divisional Magistrate shall give a written order to the Sub-divisional Police Officer or the Circle Inspector, as the case may be, which shall be sent in original to the Superintendent after compliance.