Section 336(1) in The Naval Ceremonial, Conditions Of Service And Miscellaneous Regulations, 1964
(1)The following ranks are authorised to be held by officers in the Indian Naval Reserve and the Indian Naval Volunteer Reserve namely-(a)General List(i)Executive Branch :Captain, Commander, Lieutenant-Commander, Lieutenant, Sub-Lieutenant, Acting Sub-Lieutenant, Midshipman.(ii)Engineering Branch :Captain, Commander, Lieutenant-Commander, Lieutenant, Sub-Lieutenant.(iii)Electrical Branch :Captain, Commander, Lieutenant-Commander, Lieutenant, Sub-Lieutenant.(iv)Supply and Secretariat Branch :Captain, Commander, Lieutenant-Commander, Lieutenant, Sub-Lieutenant.[***] [Omitted by S.R.O. 55, dated 2nd February, 1967]