(a) whether the Supreme Court in case of R.K. Sabharwal Vs.
State of Punjab as well as J.C.Malick Vs. Ministry of Railways
has held that `the vacany Based Rosters` can operate only till
such time the represention of persons belonging of the reserved
categories reaches the prescribed percentage of reservation; and
(b) if so, the details of Class I,II, III and Class IV
category/grade under the Union Government and Public Sector
Undertakings/Autonomous/Attached/Sub-Ordinate Organizations under
its 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 Roasters` have been
introduced in place of `Vacancy Based Roster`?