Tender For corrigendum : supply of video recorder for cctv system (v2) (q2) , layer 2 access switch (v2) (q2) , cables suitable for cctv system (accessories) (q4) , laying and installation charges for cables (with or without conduit) suitable for cctv system (accessories) (q4) , installation and commissioning charges for cctv cameras (accessories) (q4) , junction box for lighting (q3)