Section 10(1)(b) in The Orissa Subordinate Fisheries Service Rules, 1994
(b)(i)Promotion to the rank of Deputy Superintendent of Fisheries shall be made from amongst the Fishery Extension Officers on the basis of selection made by the Departmental Promotion Committee constituted under Sub-rule (2) of Rule 11.(ii)The Fishery Extension Officer who has rendered a minimum of three years of continuous service as such on the 1st day of January of the year in which the D.P.C. meets shall be considered fro promotion to the post of Deputy Superintendent of Fisheries.