multi activity workstation please refer tender documents , cat (a) -items to be supply and installation , supply & installation of intel i7 processor pc with monitors, keyboard & mouse as per annexure b, sr. no. 1 , supply & installation of intel i5 processor pc with monitors, keyboard & mouse as per annexure b, sr. no. 2 , cat (b) - buy back items , buy-back (ie minus)amount of p-iii pc with monitors, keyboard & mouse as per annexure c, sr. no. 1 , buy-back (ie minus) amount of p-iv pc with monitors, keyboard & mouse as per annexure c, sr. no. 2 , buy-back (ie minus) amount of dual core processor pc with monitors, keyboard & mouse as per annexure c, sr. no. 3