supply of running contract of one year for supply of metal liner 60 kg to rdso drg. no. t-3740 alt-7,:manufacture and supply of metal liner 60 kg to rdso drg. no. t-3740 alt-7 (or latest alt. if any) for use with erc mark-iii flat toe on co ncrete sleeper for 60 kg (uic)/ 52 kg. rails and irs specification for metal liner for use with elastic rail clips sr. no. t-56-2020 with latest alteration. ( the alteration in drawing and specification issued by rdso ten days prior to the tender closing date shall be applicable in this tender.) [ warranty p eriod: 30 months after the date of delivery ] [quantity tolerance (+/-): 0 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]