supply of protection relay with installation work.-2 supply of protection relay flush mounted, 3o / c+1 e / f , 24-60 v dc, 1a / 5a selection on ct phase current, rs 485 communication port, mod bus rtu protocol, password protection, protection function ( broken wire / conductor detection, negative sequence over current, re closer, inrush detection, cold load pick up, lockout relay, thermal overload protection, phase over current, earth fault over current & breaker failure ) , monitoring function ( relay monitoring, trip circuit supervision, circuit breaker monitoring, event counter ) , disturbance & event recordingconforming to is 3231-3-5and its latest amendments. 3 carrying out defective relay, comprehensive dismantling of old relay and control wiring refitting with sheet of new numerical relay and boards cutting along with fixing of board in panel with ct wiring testing after installation of new relay. testing of numerical relay by primary / secondary injection set in addition to configuration and customizations along with training to consignee about relay functioning.