Section 67(1) in The Naval Ceremonial, Conditions Of Service And Miscellaneous Regulations, 1964
(1)All Indian Naval Ships in commission when commanded by an executive officer, and when not wearing a flag or broad pendant, shall fly at the main masthead a pendant having a St. George's cross with blue Dharma Chakra superimposed at the centre, on a white field and in the part next to the mast with a white fly.
