Bids Are Invited For Annual Maintenance Service - Desktops, Laptops and Peripherals - Desktop PC; Dell , Annual Maintenance Service - Desktops, Laptops and Peripherals - Printer (Monochrome , Laser , Composite Cartridge ); hp , Annual Maintenance Service - Desktops, Laptops and Peripherals - Laptop; hp , Annual Maintenance Service - Desktops, Laptops and Peripherals - Scanner Large Format; hp Total Quantity :