Section 184(4) in The Naval Ceremonial, Conditions Of Service And Miscellaneous Regulations, 1964
(4)On passing the preliminary professional examination, a candidate shall be placed on a roster for selection to undergo the courses referred to in Cl. (c) of sub-regulation (1). The date of passing of candidates examined during the six monthly periods ending 31st May or 30th November shall be regarded as 31st May or 30th November respectively and the order on the roster shall be determined by these dates, the relative order in each half-yearly batch being determined by the seniority in' [rank] on that date.
