Section 74 in The Naval Ceremonial, Conditions Of Service And Miscellaneous Regulations, 1964
74. Merchant Ships to wear Red Ensign.-
Except as provided in Regulations 75 to 77, all ships registered in India and all vessels which are not registered in any British possession but are owned exclusively by persons domiciled in India or by bodies corporate established in India, shall wear the Red Ensign consisting of a red flag with a width one-half of its length and the National Flag of India superimposed in the top quarter next to the staff, that being the proper National Colours.
