Tenders for Manufacture And Supply Of Prestressed Monoblock Concrete Sleepers Sets Pretensioned Type For Bg Fan Shaped Turn Out 1 In 12 As Per Rdso Drg. No. T-4218/T-4732 Alt. Upto Date For General Layout And Part Drawing Thereof To Suit 60 Kg. Rails As Amended Up To Date As Per Irs Specification T-45-2021 4Th Revision March 2021 With Corrigendum No. 2, As Amended Up To Date Including Loading Into Wagons/Road Vehicles. Warranty Period: 60 Months After The Date Of Delivery