Tenders for Automated Mechanized Housekeeping For Hall No. 2, 3, 4, 5 And 6, Basement Parking No 1, Gate Complex 3, 4, 5A, 5B, Amphitheatre 1And2, Adjoining Toilets, And Disposal Of Garbages Including Loading And Unloading At Bharat Mandapam New Delhi