Tender For corrigendum : supply of camera for cctv system (v3),surveillance hard disk,video recorder for cctv system (v2),video recorder for cctv system (v2),layer 2 access switch (v2),layer 2 access switch (v2),camera for cctv system (v3),commercial display 43" 16* 7 uhd,liu 48 port sc type fully loaded,24 core optical fiber cable cable armoured,sc-lc optical fiber cable patch cord duplex,point to point wireless bridge,network hdpe pipe