The percentage of reservation made on this count may also include institutional reservation for students passing the PUC or pre medical examination of the same university or clearing the qualifying examination from the school system of the educational hinterland of the medical colleges in the State and for this purpose, there should be no distinction between schools affiliated to State Board and schools affiliated to the Central Board of Secondary Education, It would be constitutionally permissible to provide, as an interim measure until we reach the stage when we can consistently with the broad mandate of the rule of equality in the larger sense; ensure admissions to the M.B.B.S, course on the basis of national entrance examination an ideal which we must increasingly strive to reach for reservation of a certain percentage of seats in the medical colleges for students satisfying a prescribed residence requirement as also for students who have passed P.U.C. or pre medical examination or any other qualifying examination held by the university or the State and for this purpose it should make no difference whether the qualifying examination is conducted by the State Board or by the Central Board of Secondary Education, because no discrimination can be made between schools affiliated 982 can be made between schools affiliated to the Central Board of Secondary Education.