Section 6 in The Indian Supply Service (Group `A') Rules, 2017
6. Future maintenance of the Service.
(1)The vacant duty posts in any of the grades referred to in Schedule - I, shall be filled in the manner specified in Schedule - II.(2)(a)Fifty per cent. of the vacant duty posts in the grade of Junior Time Scale of the Service shall be filled by direct recruitment on the basis of the Combined Engineering Services Examination conducted by the Commission, on the basis of the educational qualifications and age limits prescribed by the Commission for this purpose and(b)the remaining fifty per cent. of the vacant duty posts shall be filled by promotion from amongst officers in the feeder grade with minimum qualifying service as specified in Schedule- II.(3)All the posts in the Senior Time Scale and above shall be filled by promotion from amongst the officers in the immediate respective lower grade with the minimum qualifying service as specified in Schedule- II.(4)The selection of officers for promotion to various grades of the Service shall be regulated in the following manner, namely.-(a)promotion to the Junior Time Scale of the Service shall be on the basis of `Selection';(b)promotion of officers from the posts in the Junior Time Scale to the posts in the Senior Time Scale (Ordinary Grade) of the Service shall be on the basis of `Selection';(c)grant of Non-Functional Second Grade in the Senior Time Scale of the Service shall be in the order of seniority based on the suitability taking into account the overall performance and experience in accordance with guidelines issued by the Central Government from time to time;(d)promotion of officers from the Senior Time Scale to the Junior Administrative Grade, from the Junior Administrative Grade to the Senior Administrative Grade and from the Senior Administrative Grade to the Higher Administrative Grade of the service, shall be on the basis of `Selection'.(5)The selection of officer in each case under clause (b) of sub-rule (2) and sub-rule (3) shall be on the recommendations of the Departmental Promotion Committee constituted in accordance with Schedule - III.
