Section 6(2)(a) in The Assam Subordinate Engineering (Irrigation Department) Service Rules, 1978
(a)before the end of each year the Appointing Authority shall make an assessment regarding the likely number of vacancies to be filled up by direct recruitment during the next year in each cadre and shall intimate the same to the Board together with the details about reservation for candidates belonging to Scheduled Castes, Scheduled Tribes or any other category laid down by Government as provided under Rule 15 and about carry forward of such reservation ;