Section 190(2) in The Naval Ceremonial, Conditions Of Service And Miscellaneous Regulations, 1964
(2)Before a candidate is selected to undergo the prescribed course, he must :(a)be qualified under Regulation 181;(b)be a Sick Berth Chief Petty Officer or a Sick Berth Petty Officer who has passed the examination for Sick Berth Chief Petty Officer;(c)have passed the educational test for Branch Rank;