Tender for Providing Of Annual Maintenance Contract Of Integrated Security And Surveillance System - Camc Of 54 No Cctv Camera, 30 No 4 Channel Nvr, 20 No 1 Kva Ups Installed At Different Locations Of Secl Korba Area Along With Auxiliary Equipments Including Lighting Damage For A Period Of 02 Ye.. in Korba - Chhattisgarh

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