Tender For providing of annual maintenance service - desktops, laptops and peripherals - desktop pc; acer-72, hp-36, hcl-07,annual maintenance service - desktops, laptops and peripherals - all in one pc; acer-20, hp-32,annual maintenance service - desktops, laptops and peripherals - laptop; hp-03, sony-01,annual maintenance service - desktops, laptops and peripherals - server; hp-07, dell-05,annual maintenance service - desktops, laptops and peripherals - printer ( monochrome , laser , separate drum and tonner ); hp,annual maintenance service - desktops, laptops and peripherals - multi-function printer (colour , laser , composite cartridge, mid range); hp,annual maintenance service - desktops, laptops and peripherals - multifunction printer ( ink tank , mono & colour , high range ); lexmak,annual maintenance service - desktops, laptops and peripherals - ups (online 20 kva); emerson,annual maintenance service - desktops, laptops and peripherals - ups 500 to 2000 kva; various makes & models,annual maintenance service - deskt