supply of manufacturing and supply of metal liner for use with erc mk-iii flat toe on concrete sleeper for 60 kg rail to drg. no. rdso/t-3740 alteration-6 (latest alteration), confirming to specification: irs for metal liners for use with erc (prov- 2013) with corrigendum no.1 of oct 2016 (latest alteration). (the alteration in drawing and specifications issued by rdso up to one month prior to tender opening date shall be applicable to this tender)manufacturing and supply of metal liner for use with erc mk-iii flat toe on concrete sleeper for 60 kg rail to drg. no. rdso/t-3740 alteration-6 (latest alteration), confirming to specification: irs for metal liners for use with erc (prov- 2013) with corrigendum no.1 of oct 2016 (latest alteration). (the alteration in drawing and specifications issued by rdso up to one month prior to tender opening date shall be applicable to this tender),manufacturing and supply of metal liner for use with erc mk-iii flat toe on concrete sleeper f or 60 kg rail to drg. no. rdso/t-3740 alteration-6 (latest alteration), confirming to specification: irs for me tal liners for use with erc (prov- 2013) with corrigendum no.1 of oct 2016 (latest alteration). (the alteration in drawing and specifications issued by rdso up to one month prior to tender opening date shall be applicable to this tender) [ warranty period: 30 months after the date of delivery ] ] , manufacturing and supply of metal liner for use with erc mk-iii flat toe on concrete sleeper f or 60 kg rail to drg. no. rdso/t-3740 alteration-6 (latest alteration), confirming to specification: irs for me tal liners for use with erc (prov- 2013) with corrigendum no.1 of oct 2016 (latest alteration). (the alteration in drawing and specifications issued by rdso up to one month prior to tender opening date shall be applicable to this tender). [ warranty period: 30 months after the date of delivery ] ] , manufacturing and supply of metal liner for use with erc mk-iii flat toe on concrete sleep