Manufacturing, Supplying & Loading Of 50 Mm Size Of Pakur Variety Machine Crushed Stone Ballast Of Approved Quality Conforming To Latest Rdso Specifications From Quarry Pakur/Talijhari/Bakudi/Sahibganj/Pinergaria To Railway Hopper/Wagon And All Other Connected Ancillary Works As Per Requirement In Between Stations Katihar Including And Sonaili Including From Ch: Km 0.00 To Km 17.30 Of Katihar-Mukuria Section And Katihar Excluding And Pranpur Road Including From Ch: Km 1.388 To Km 19.70 Of Katihar- Kumedpur Section In Connection With Katihar-Mukuria-Kumedpur Double Line Project Of N. F. Railway Construction.