supply and installation of audio-video solution and civil renovation of board room of keltron head office thiruvananthapuram , audio conference processor , gooseneck mic with inline preamp , digital mixer , loud speaker , power amplifier , interlink cables and connectors , rack for audio system , hdmi switcher , hdmi cable , display , monitor , acoustic proofing wall , false ceiling , polishing , glass door , table glass , window closing , window shutter , table rework , access control , ductable air-conditioner unit , copper piping , electrical cabling for ductable ac , ducting work , acoustic insulation-ducting work , thermal insulation -ducting work , grills / diffusers , flexible canvas connection , drain piping , out door unit stand , minor civil work , ceiling light , foot lamp , cable cubby , double door 4way tpn db , double door 8way spndb , 6a switch & socket , 16a switch & socket , 2.5 sq.mm cable , 1.5 sq.mm cable , 1.0 sq.mm cable , 32 mm pvc conduit , 25 mm pvc conduit , 20 mm pvc conduit , installation