Tcbrh/25-26/W-252 Ext-02 Work Of Dismantling, Erection, Cable Laying & Termination Of 220Kv Breaker, 220Kv Class Isolator, 66Kv La, 66Kv Ct, & 66Kv Isolator And Complete Bay Strenghthening Including Flyover And Jumper/Dropper Replacement For 220/66Kv 100Mva Tr-02 At 220Kv Haldarwa S/S Under Haldarwa Tr Division Under Ksy-Ii