Tender For bid to ras corrigendum : providing of annual maintenance service - desktops, laptops and peripherals - desktop pc; any type desktop computer,annual maintenance service - desktops, laptops and peripherals - multifunction printer (monochrome , laser , composite cartridge, lower range; any type mono normal mfp printer,annual maintenance service -data center assets - network devices; network per node; neither oem nor asp,annual maintenance service - audio conferencing system - ceiling mount camera; any type cctv camera; neither oem nor asp