Manufacturing And Supply Of High Viscous Nylon-66 Insulating Liner For Use With Erc Mk -v On Wider Base Concrete Sleeper Suitable For 60 Kg Rail Confirming To Rdso Drg. No. T-6938 And T-6 939 With Latest Alterations. Irs Specification For Gfn-66 Insulating Liners Sl. No. T-44-2023 With Latest Amendment. Each Set Of One Gfn Liner To Drg. No. T-6938 And One Gfn Liner To Drg. No. T-6939 (the Alt. In Drawing And Specification Issued By Rdso Up To One Month Prior To Tender Opening Date Shall B E Applicable In This Tender) [ Warranty Period: 30 Months After The Date Of Delivery ]