Section 695(31) in Police Regulations, Bengal , 1943
(31)The following are the duties of head constables-in-charge of guards and sentries. Superintendents and other inspecting officers shall see that these orders are strictly followed :-(i)Each guard shall ordinarily be in the charge of not less than two head constables. The senior head constable shall be solely responsible for the guard unless he is too ill to carry out his duties when he shall hand over the command to the other head constable and at once inform his superior officer and get relieved.(ii)Both head constables shall not be absent from the guard at one and the same time.(iii)If the senior head constable leaves the guard for any reason he shall inform the junior head constable, stating where he is going and the length of time he is likely to be absent, so that he can easily be called, if required. The fact must also be entered in the roster book.(iv)The junior head constable shall only leave the guard with the sanction of the senior head constable. This must also be recorded in the roster book.(v)The duties should be divided between the head constables according to mutual arrangement. Two hours on and two hours off or four hours on and four hours off are suitable periods. The term agreed upon is to be shown in the roster book.(vi)The head constable on duty shall not sleep during his turn of duty and he shall be responsible for the proper supervision of the guard during his turn of duty.(vii)The head constable while on duty shall -
