installation of language lab turnkey installation of language laboratory of cooch behar college , isil systempatented interactive , software integrated learning ( isil ) systemfor language & communication skill development/ interactive classesisil system consists the following items: 1 . isils graphical user interface ( gui ) with embedded multimedia interactive content on language & communication skill development along with the teachers handbook2 . isils master control unit with pre-loaded operating system , office pack & antivirus software . 3 . isils interactive user interface ( uiu ) with headset ( one for each user ) 4 . isils control panel unit to place on top of the lectern or instructors desk5 . all required connecting cables & power adapter , lecturn , teachers desk , asile , specially fabricated desk & chair for users with space for user console placing , instructers chair , instructer area platform , side and back wall cladding to prevent sound reverberation , full room painting , front wall arrangement , roll down screen for maximum visibilty , curtains , motivational prints , projector mounting arrangement with required hdmi cable , wired micophone , offline ups 1100va , speaker 20 watt , amplifier 120 watt , multimedia projector-3000 + ansi lumens:wxga-resolution