Section 126(11) in The Naval Ceremonial, Conditions Of Service And Miscellaneous Regulations, 1964
(11)Confirmation. - Acting Sub-Lieutenants on completion of their probationary period and provided they qualify in the examination referred to in sub-regulation (10), and their progress and conduct have been satisfactory, shall be confirmed in the rank of Sub-Lieutenant with seniority of date of entry as Acting Sub-Lieutenant.
