Tender For providing of annual maintenance service - desktops, laptops and peripherals - all in one pc; dell,annual maintenance service - desktops, laptops and peripherals - desktop pc; hp,annual maintenance service - desktops, laptops and peripherals - printer (monochrome , laser , composite cartridge ); hp,annual maintenance service - desktops, laptops and peripherals - ups( offline 1 kva); upsnpskeptroncyber power 1 kva