Items - Manufacturing and supply of High Viscous Nylon-66 insulating Liner to RDSO Drg. No. T-8752 to T- 8753 (with latest alteration) for use with PSC sleeper to RDSO Drg No. RDSO/T-8746 suitable to 52 kg rail and IRS Specification for High Viscous Nylon-66 Insulating Liner Sr. No. T-44-2023 as amended up to date ( The Alt. in Drawing and specification issued by RDSO up to one month prior to tender opening date shall be applicable in this tender).