bids are invited for cannual maintenance service - desktops, laptops and peripherals - desktop pc; dell hp kbs lenovo , annual maintenance service - desktops, laptops and peripherals - all in one pc; dell hp , annual maintenance service - desktops, laptops and peripherals - printer; canon hp epson ricoh samsung , annual maintenance service - desktops, laptops and peripherals - multi function printer; canon , annual maintenance service - desktops, laptops and peripherals - projector; epson benq casio , annual maintenance service - desktops, laptops and peripherals - network switch; d link cisco , annual maintenance service - desktops, laptops and peripherals - scanner; canon hp , annual maintenance service - desktops, laptops and peripherals - laptop; lenovo hp dell apple , annual maintenance service - desktops, laptops and peripherals - hard disk data recovery rate per gb; cost including diagnostics and fault finding data recovery service including on door pickup and drop , annual maintenance service - desktops, laptops and peripherals - facility management services for 03 years; desktop engineerresident engineer 3 nos and system administratorsupervisor 1 no