Flash Butt Welding Of 20 Rail Panels/Free Rails/2 Rail Panels/3 Rail Panels Of All Rail Sections (New/Sh) At Site (In Situ/Cess) By Using Mobile Flash Butt Welding Plant Including Cutting Of Rails (Wherever Required) In Between Buguda-Banigochha-Adengarh Section Of New B.G Line Of Kur-Blgr Project.