Section 11(4)(c) in The Assam Engineering (Public Works Department) Service Rules, 1978
(c)Notwithstanding anything contained hereinbefore in this rule, subject to suitability, a subordinate Engineer Grade I, of the Assam Subordinate Engineering (P.W.D.) Service, on his acquiring the academic qualification, as prescribed for a direct recruit Assistant Engineer shall be promoted as Assistant Engineer, in consultation with the Commission, as provided in Rule 14, against the next available vacancy in the cadre and such promotion shall be treated as direct recruitment to the cadre of Assistant Engineer for the purpose of these rules.