supply of running contract of one year supply for metal liner 60kg to rdso drg. no. t-8748,manufacture and supply of metal liner 60kg to rdso drg. no. t-8748 (alt-1) for use with psc sleeper to rdso drg. no. rdso/t-8746 su itable to 60kg rail 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 period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]