(a) whether a large number of vacancies/posts in CGHS, Delhi and outside Delhi reserved for SCs, STs and OBCs are being dereserved and filled up by persons other than these categories despite imposition of a ban on dereservation of various groups C and D vacancies reserved for SCs, STs and OBCs;
(b) if so, the details thereof alongwith the reasons therefor; and
(c) the number of instances where vacancies/posts reserved for SCs, STs and OBCs have been dereserved and filled up by persons of others categories since 1st January, 1994 to till date in CGHS?