Section 701(q) in Police Regulations, Bengal , 1943
(q)When an escort proceeds by boat or road, and one or more nights may be expected to intervene before it arrives at its destination, one hurricane lantern for every 10 men, with a sufficiency of oil or funds to procure it, shall be made over to the senior officer of the escort by the Reserve office for use during the journey. In every place, hut or tent, where prisoners are confined or treasure guarded during halts, and at every place of detention on railways owing to change of trains or steamers, etc., at night, a hurricane lantern shall be suspended, so that the treasure or prisoners may be in the full light.
