Tenders for Manufacture And Supply Of Pre-Stressed Mono Block Concrete Sleeper Pre-Tensioned Type For Bro Ad Gauge 1673Mm As Per Rdso Design For 1 In 16 Psc Turnout Sleepers Sets To Rdso Drg. No. Rdso/T- 5691 With Latest Alterations/Amendments And To Irs Specifications No. T-45 4Th Revision March 2021 With Latest Amendments/Alterations Made By Track Standard Committee As Amended Time To Time During The Currency Of Th E Contract, Duly Loaded Into Wagons/Road Vehicles. Warranty Period: 30 Months After The Date Of Delivery