bids are invited for annual maintenance service - desktops, laptops and peripherals - desktop pc; acer , annual maintenance service - desktops, laptops and peripherals - desktop pc; dell , annual maintenance service - desktops, laptops and peripherals - desktop pc; hp , annual maintenance service - desktops, laptops and peripherals - printer ( monochrome , laser , separate drum and tonner ); brother , annual maintenance service - desktops, laptops and peripherals - printer (monochrome , laser , composite cartridge ); hp , annual maintenance service - desktops, laptops and peripherals - multifunction printer ( colour , laser , separate drum & tonner, mid range); canon , annual maintenance service - desktops, laptops and peripherals - multifunction printer ( colour , laser , separate drum & tonner, mid range); hp , annual maintenance service - desktops, laptops and peripherals - multifunction printer ( colour , laser , separate drum & tonner, mid range); samsung , annual maintenance service - desktops, laptops and peripherals - printer ( ink jet , mono and colour, mid range ); hp , annual maintenance service - desktops, laptops and peripherals - multifunction printer ( monochrome , laser , separate drum & tonner, mid range); canon , annual maintenance service - desktops, laptops and peripherals - ups (offline 600-650 va); microtek , annual maintenance service - epabx system , annual maintenance service - photocopier machine - photocopier machines ( monochrome , laser , separate drum and tonner ); canon; any service provider , amc of integrated security and surveillance system - remote video monitoring; non-comprehensive; hardware, software, networking system; cost of consumables to be provided to service provider based on actuals; defence establishments; command control c..