Section 17(b) in The Vizagapatnam Harbour Craft Rules, 1950
(b)When the signal referred to in sub-clause (ii) of clause (a) is hoisted at the Port Flagstaff, all harbour craft plying in the outer roads shall return to the inner harbour at once and shall not proceed again to the outer roads without the special permission of the Deputy Port Conservator until the signal is hauled down.
