Section 289(12)(d) in The Naval Ceremonial, Conditions Of Service And Miscellaneous Regulations, 1964
(d)In the case of Supply and Secretariat Branch candidates :(i)They must have passed the Higher Educational Test;(ii)They must not be older than 25 years on the 30th June of the year in which the Preliminary Selection Board is held; and(iii)They must have passed professionally for Leading Writer/Leading Stores Assistant.