Section 336(2) in The Naval Ceremonial, Conditions Of Service And Miscellaneous Regulations, 1964
(2)The following additional ranks are authorised to be held by officers in the Indian Naval Volunteer Reserve, namely :(a)Instructor Branch :Instructor Captain, Instructor Commander, Instructor Lieutenant-Commander, Instructor Lieutenant, Instructor Sub-Lieutenant.(b)[***] [Omitted by S.R.O. 55, dated 2nd February, 1967]
