Preventive maintenance of 11 KV and 440 Volt Overhead Line of Madhuban feeder from Lodna Power House to Madhuban Sub-Station via Lodna Colliery Babubasa lslampur Lodna Bazar etc. of Amal.Joyrampur Colliery under Lodna Area( Approx.length 6 K.M.). (投標 №78843354cn)