Maintenance and Repairing of overhead lines of 11 KV feeder No.3, 6.6KV Shovel-1 feeder,6.6KV Benidih Feeder ,starting pole of Feeder No-4 , Feeder No-14, and Feeder No.16, Cable work of various transformers and their panels at Madhuban D.G sub-stati (投標 №106041666cn)