Manufacturing And Supply Of Pre-Stressed Concrete Sleeper (Pre-Tensioned Type) For Broad Gauge (1673 Mm) For Thick Web Switch Expansion Joint For 60 Kg (Uic) Rail As Per Rdso Design For Twsej To Rdso Drawing No. Rdso/T-8838,With Latest Alteration To Irs Specification No. Irs T-39-2021 (6Th Revision, March-2021, With Latest Amendments Made By Track Standard Committee As Amended Time To Time During The Currency Of The Contract, Duly Loaded Into Wagons/Road Vehicles.