Section 125(3) in The Naval Ceremonial, Conditions Of Service And Miscellaneous Regulations, 1964
(3)Promotion.(a)Midshipmen. - On completion of 6 months' afloat training as cadet and subject to passing the Cadet's Passing Out Examination and being recommended for promotion, Cadets shall be promoted to the rank of Midshipmen.(b)Acting Sub-Lieutenants. - On completion of [6 months] [Substitued by S.R.O. 237, dated 24th May, 1975] service as Midshipmen and provided they are reported as "Satisfactory" by the Commanding Officer, Indian Naval Ship SHIVAJI, officers shall be promoted to the rank of Acting Sub-Lieutenant with the seniority of the date of promotion.(c)Sub-Lieutenants. - Acting Sub-Lieutenants shall be confirmed in rank with original seniority on the day following the successful completion of the Basic Engineering Course.(d)Lieutenants. - Sub-Lieutenants shall be appointed to sea for sea training and award of Certificate of Competency. They shall be promoted to the rank of Lieutenant at the discretion of the Chief of the Naval Staff, provided:(i)they have obtained the Certificate of Competency;(ii)they are recommended by their Commanding Officers as fit in all respects for promotion to the rank of Lieutenant.(e)Cases of officers who do not receive the Certificate of Competency within 6 months of sea service shall be referred to the Chief of the Naval Staff. No officer shall be promoted before the date of his seniority as a Lieutenant calculated in accordance with [Sub-regulation (6)] [Substitued by S.R.O. 17E, dated 5th July, 1967][Explanation. [Substitued by S.R.O. 17E, dated 5th July, 1967] - Officers who are unable to obtain the certificate of competency owing to the exigencies of service may be granted the acting rank of Lieutenant at the discretion of the Chief of the Naval Staff from the date on which they otherwise become due for promotion to the rank of Lieutenant in relaxation of the provisions of sub-clause (i) of cl. (d). In such cases they shall be confirmed in the rank of Lieutenant on obtaining the certificate of competency with seniority of date of promotion to Acting Lieutenant.]
