Manufacturing & Supply Of Combination High Viscous Nylon (Hvn) -66 Insulating Liners For Use With Erc Mk-Iii Flat Toe On Concrete Sleeper For 52Kg Rails Confirming To Drg. No. Rdso/T-3707 (Gaug E Side Liner) & T-3708 (Non Gauge Side Liner) (Or Latest Alt. If Any), As Per Confirming To Irs Specification S.No.T-44-2023 (Second Revision) Or Latest. (One Set Of Liner Consists Of One Number Hvn Liner To Rdso Drg. No. T-3707 And One Number Hvn Liner To Rdso Drg. No. T-3708) (The Alteration In Drawings And Sp Ecifications Issued By Rdso Up To Seven Days Before The Tender Closing Date Shall Be Applicable To This Te Nder.) [ Warranty Period: 36 Months After The Date Of Delivery ] ]