Section 6(1)(a) in The Assam Factories Service Rules, 1990
(a)Before the end of each year, the Appointing Authority shall make an assessment regarding the likely number of vacancies to be filed by direct recruitment during the next year and shall intimate the same to the Commission together with the details about reservation for candidates belonging to Scheduled Castes, Scheduled Tribes or any other category as laid down by the Government as provided under Rule 15 and about carry forward of such reservation.