Section 22(4) in The Assam Engineering (Irrigation Department) Service Rules, 1978
(4)A separate seniority list of S.E.S. Sub-divisional Officers and Sub-divisional Officers (T.C.) encadred as Assistant Engineers with effect from 1st January, 1973, promoted from the cadre of erstwhile Subordinate Engineer, Grade I, shall be maintained. Such a seniority list shall continue till all the members of the list are adjusted against a promotion post or the posts are vacated by retirement or otherwise.
