Tender For corrigendum : supply of idsc items e e - visualizer epson dc 21 , matrix switcher 4x4 matrix routing switcher with full edid management , podium with integrated cont and annotation ahuja , biometric system secureye s fb3k with face recognition , mobile jammer linatratek 2g 4g wifi voice and data , cctv system with 2mp camera 04 hdd 1tb 01 4 port poe nvr 8 ch 01 utp 305 mtr , microtek online ups 5 kva with isolation transformer