Repairing / Overhauling of 1 No. 400 Amps 11 KV Biecco Make OCB Switch for Primary Controlling of 1000 KVA 11 KV/550 Volt Power Transformer Sl.No.PB-4/18276 at 9 No. Siding of Amal. NT-ST-JG Colliery under Lodna Area( Local Id. BCCL/JG/ OCB/11 KV/47) (Tender №99553212)