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(a) whether `backlog / carried forward vacancies` reserved for SCs, STs and OBCs are required to be treated as a ` separate and distinct group` as provided under Article 16(4) B of the Constitution to overcome 50% ceiling limit on vacancies to be reserved in an year;
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(b) if so, indicate the backlog / carried forward vacancies ascertained in respect of SCs, STs and OBCs in Group A, B, C and D categories of services as on 29th August, 1997 in the Ministry of Commerce when Special Recruitment Drives etc. meant for filling such vacancies were stopped;
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(c) the year-wise such carried forward vacancies filled during the last three years and those which remain unfilled; and
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(d) the fresh vacancies / posts accrued to reserved classes in all categories of posts during the last three years as per `post based rosters`?