2Nd Call Work Of Supply, Installation And Commissioning Of 100% Hot Redundancy Based Continuously Available Fire Alarm Panel And False Alarm Filtering Type Detector At 220Kv Kalmeshwar S/S, 220Kv Kanhan S/S And 220Kv Butibori 1 S/S Under Ehv (O&M) Division, Msetcl, Nagpur.