Section 124(14) in The Naval Ceremonial, Conditions Of Service And Miscellaneous Regulations, 1964
(14)Permanent Commissions. - Suitable officers may be considered for the grant of Permanent Commissions in the Indian Navy at any time after successful completion of the period of probation subject to the existence of vacancies and the regulations current at the time.Section V - Officers in the Electrical Branch-Cadet Entry