tender for testing of different voltage level circuit breakers installed at various 220 kv and 132 kv substations under etd bahraich. - testing of various circuit breakers installed at220 and 132 kv substationsunder etd bahraich i.e. insulation resistance measurement, crm, dcrm, opening- closing timing test (c-o, o-c-o) etc. 2 220 kv circuit breaker at 220 kv substation, bahraich 3 132 kv circuit breaker at 220 kv substation, bahraich 4 132 kv circuit breaker at 132 kv substation, kaiserganj 5 132 kv circuit breaker at 132 kv substation, bahraich 6 132 kv circuit breaker at 132 kv substation, nanpara 7 132 kv circuit breaker at 132 kv substation, bhinga