Section 728(iv) in Police Regulations, Bengal , 1943
(iv)Except as provided in clause (ii) and (iii) guards shall turn out and present arms, sound the general salute when there is a bugler attached to the guard, and sentries shall present arms as often as His Excellency the Governor, the Hon'ble Ministers, the Inspector-General, or a General Officer of the Army may pass their post.
