Contract Bidding Open For Running Contract for Fabrication and Supply of 6400 mm Over-Riding Curved Switches for 60E1 Rail on PSC Sleepers for 1in 8.5 Turnout as per RDSO Drawing No. T-4966 with Alteration 9 in accordance with RDSO standard drawing No.T- 4865 Alteration 9 and conforming to IRS Specification No. T-10-2025, (complete set) with Latest revision/corrigendum /amendment complete with all parts listed in the sub assembly RDSO Drawing No. T-4966 but excluding Standard Fish Plates, Fish Bolts, Elastic Rail Clips, Insulating Liners/Metal Liners as amended up-to date of closing of e- tender. Rails needed for fabrication purpose for Tongue Rails, Stock Rails and Check Rails will be arranged by Supplier at his own cost in terms of Railway Board's Letter No. 2022/Track-1(P)/Fabricators dt. 24.01.2022. List of fittings as per annexure-B. in Bihar