supply of manufacturing and supply of galvanized bolts and nuts for steel channel sleeper on guard rail to rdso drg no. t-5164manufacturing and supply of galvanized bolts and nuts for steel channel sleeper on guard rail to rdso drg no. t-5164,manufacturing and supply of galvanized bolts and nuts for steel channel sleeper on guard rail to rdso drg no. t-5164 or latest alterations if any, confirming to irs specifications serial no.t-23: 2021 (redrafted) or latest amendment if any. [ warranty period: 30 months after the date of deliver y ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]