Section 13(2)(iv) in The West Bengal Scheduled Castes And Scheduled Tribes (Reservation of Vacancies in Services And Posts) Act, 1976
(iv)The roster is a running account from year to year and shall be maintained accordingly. If recruitment in a particular year stops at a particular point of the cycle, say at the 5th point, recruitment in the subsequent year shall begin at the next, point, i.e. at the 6th point.