Supply Of Modification Of Lt Overhead Line Adjacent To Rly Track At Different Railway Station, Yard, Block Section Between Katihar ( Excl ) - Teznarayanpur ( Incl ) Section For Railway Electrification Under Gr.314 Re Project.Modification Of Lt Overhead Line Adjacent To Rly Track At Different Railway Station, Yard, Block Section Between Katihar ( Excl ) - Teznarayanpur ( Incl ) Section For Railway Electrification Under Gr.314 Re Project.,