tender for a.combination metal liners for use with erc mk.v on wider concrete sleepers (rt-8527) suitablefor 60 kg uic rail to rdso drg. no.t-8616 & t-8617 with alterations as on date of opening of tender conformingto irs specification for metal liners for use with elastic rail clips (provisional) 2013, with corrigendum no.1,ofoct.2016,(1 set comprises of t-8616-1no and t-8617-1 no) with the latest alterations as on date of opening oftender.