Supply Of Skilled And Unskilled Labour, Rdso Certified Welder/Welding Supervisor, Petrol, Consumables And Other Ancillary Works For Thermit Welding In Running Track Required For Provision Of Glued Joints And Block Joints In Section Barauni-Katihar Of Gr.149 In Sonepur Division Of E.C.Railway In Connection With Railway Electrification Works.