supply of goods, manufacture and supply of metal liner to rdso drg. no. t-8749 to t-8750 to alt-1 , for use with psc sleeper to rdso drg. no t-8746 suitable to 52kg rails. irs specification - for metal liner for use with elastic rail clips sr. no. t-56-2025. latest alterations shall be applicable. , goods, manufacture and supply of metal liner to rdso drg. no. t-8749 to t-8750 to alt 1 , for use with psc sleeper to rdso drg. no t-8746 suitable to 52kg rails. irs specification - for meta l liner for use with elastic rail clips sr. no. t-56-2025. latest alterations shall be applicable. bidder m ust attach annexure j as per ce/tp l.no.cr-hqoengg(tend)/12/2022 dt. 24/04/2023 attached with t he nit. [ warranty period: 30 months after the date of delivery ] ]