(a) the services in Class I, II, III and Class IV category/grade under the Ministry of Home Affairs and all the Statutory/Autonomous/Attached/Sub-Ordinate Organisations under their control, where the representation of persons belonging to the SC/ST categories has reached the prescribed percentage of reservation and because of which Post Based Rosters have been introduced in place of Vacancy Based Rosters; and
(b) the reasons for introduction of Post Based Rosters in place of Vacancy Based Rosters in those categories of services also where representation of SCs/STs has not reached the prescribed percentage of reservation?