Tenders for Running Contract For Manufacture And Supply Of Wider Pre-Stressed Mono Block Concrete Sleeper S Pre-Tensioned Type For Broad Gauge 1673 Mm Conforming To As Per Rdso Drg.No. Rdso/T- 8970 To Suite 60 Kg Uic Rail/ 60E1/ 52Kg Running Rail With 60 Kg Uic Rail/ 60E1/ 52Kg Guard Rail For Use On Ballasted Deck Brid Ges And As Per Irs Specification T-39 6Th Revision- March 2021 Both As Amended Up To Date Duly Loaded Into Wagons/Road Vehicles Warranty Period: 60 Months After The Date Of Delivery