(a) whether the instructions of the Government regarding the exchange of reservation between Scheduled Castes and Scheduled Tribes in the same year, in case of promotion by selection from Group `B` to the lowest rung of Group `A` has not been withdrawn/rescinded with the issuance of DoP&T`s O.M. No. 36012/2/96-Estt. (Res.) dated 2.7.1997; and
(b) if so, the reasons therefor?