supply of manufacture and supply of gfn-66 insulating liners for use with erc with flat toe on concrete sleepers suitable to 60 kg (uic) / 60e1/ 52 kg rails to drawing no. rdso/t-3706, alt-9/latest alterations if any, conforming to irs specification, irs t-44-2025 (third revision)/latest corrigendum. (note:- latest alteration/corrigendum whenever used means document published up to actual date of closing of tender.)manufacture and supply of gfn-66 insulating liners for use with erc with flat toe on concrete sleepers suitable to 60 kg (uic) / 60e1/ 52 kg rails to drawing no. rdso/t-3706, alt-9/latest alterations if any, conforming to irs specification, irs t-44-2025 (third revision)/latest corrigendum. (note:- latest alteration/corrigendum whenever used means document published up to actual date of closing of tender.),manufacture and supply of gfn-66 insulating liners for use with erc with flat toe on con crete sleepers suitable to 60 kg (uic) / 60e1/ 52 kg rails to drawing no. rdso/t-3706, alt-9/latest alte rations if any, conforming to irs specification, irs t-44-2025 (third revision)/latest corrigendum. (note: - latest alteration/corrigendum whenever used means document published up to actual date of closing of tender.) [ warranty period: 30 months after the date of delivery ] ] => limited