Work Of Complete Overhauling / Servicing Of Mechanism Drive With Complete Assemblies And Main Interrupter And Support Poles Of 420Kv, Type 3At4 Bhel Make Breakers Of 400Kv Hvdc Ckt. No.- 2 Bay Along With Supply Of Required Spares At 400Kv S/Stn, Gcr, Msetcl, Chandrapur.