Manufacture And Supply Of Psc Monoblock Concrete Sleeper (Pretension Type) For Wider Base Bridge Approach Sleepers As Per Rdsos Drawing No. T-8971 To 8978 Along With Latest Alteration To Suit 60K G (Uic)/60E1/52 Kg Running Rail And Irs Specification No.-T-39 (Sixth Revision-March 21), If Any, Duly Loade D Into Road Vehicle/Wagon [ Warranty Period: 30 Months After The Date Of Delivery ] ]