Manufacture And Supply Of Wider Pre-Stressed Concrete Sleeper For 25T Axle Load For 60 Kg(Uic) /52Kg Running Rails With 60Kg(Uic) /52Kg Guard Rail For Use On Ballasted Desk Bridges As Per Dr G No. T-8970, With Latest Alteration If Any And To Irs Specification T-39 (6Th Revision March 2021) Both As Amended Up To Date. [ Warranty Period: 60 Months After The Date Of Delivery ] ]