Section 66(1) in The Naval Ceremonial, Conditions Of Service And Miscellaneous Regulations, 1964
(1)All Indian Naval Ships of war in commission shall wear the following colours:(a)a White Ensign, with the red St. George's cross and the National flag in the upper canton, in the manner prescribed in Regulation 70;(b)the National Flag, which should be of smaller dimensions than the ensign, at the Jack staff when in harbour, at anchor or moored to a buoy or alongside. Ships in dock or ships in dockyard hands shall not wear the National Flag at the Jack staff;(c)a pendant under the terms of Regulation 67.
