supply of manufacture and supply of 60kg metal liner for use with erc mk-v, 25t wider psc sleeper (rt-7008 and rt-8527) conforming to rdso drg. no t-8616 & t-8617 etc.manufacture and supply of 60kg metal liner for use with erc mk-v, 25t wider psc sleeper (rt-7008 and rt-8527) conforming to rdso drg. no t-8616 & t-8617 etc.,manufacture and supply of 60kg metal liner for use with erc mk-v, 25t wider psc sleep er (rt-7008 and rt-8527) conforming to rdso drg. no t-8616 & t-8617, alt-1with latest alteration as o n date of closing of this e-tender. each set of metal liner comprises of one metal liner to drg. no t-861 6 and one metal liner to drg. no. t-8617 specification: irs specification for metal liners t-56-2020. [ warranty period: 30 months after the date of delivery ] ]