Section 72(1) in The Naval Ceremonial, Conditions Of Service And Miscellaneous Regulations, 1964
(1)Boats belonging to Indian Naval Ships shall fly the ensign on the following occasions:(a)In foreign waters;(b)In Indian waters(i)when Indian Naval Ships are dressed;(ii)when going alongside a foreign warship on all occasions, day and night;(c)When flying in the bows one of the special flags referred to in Regulations 51 and 60, whether in India, or in foreign waters.
