Tender for KM of Konkan Railway. 52 kg (90/72 UTS) rails / rail panels with USFD test of welded joints in confirmation of IR manual for FBW using road MBFBWP with automatic rail of contractor between Bally-Lolaye sections from 459 / 300 to 484 / 800 under jurisdiction of Senior REN / Karwar Through Weld Renewal (TWR) with flash butt welding