supply of manufacture and supply of polyethylene dowels to rdso drg. no. t-3002 alt. up to date & conforming to irs specification for polyethylene dowels for concrete sleeper (serial no.- t-57-2020) with latest amendments, if anymanufacture and supply of polyethylene dowels to rdso drg. no. t-3002 alt. up to date & conforming to irs specification for polyethylene dowels for concrete sleeper (serial no.- t-57-2020) with latest amendments, if any,manufacture and supply of polyethylene dowels to rdso drg. no. t-3002 alt. up to date & c onforming to irs specification for polyethylene dowels for concrete sleeper (serial no.- t-57-2020) with late st amendments, if any [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] => limited