supply of manufacturing and supply of fish bolts , manufacturing and supply of fish bolts and nuts of size 25 x 340 mm to rdso drg no. t- 11529 with latest alterations if any, use for points & crossing, confirming to irs specifications serial no. t-23: 2021 (redrafted) or latest amendment if any. [ warranty period: 30 months after the date of d elivery ] ] , manufacturing and supply of fish bolts and nuts of size 25 x 400 mm to rdso drg no. t- 11535 with latest alterations if any, use for points & crossing, confirming to irs specifications serial no. t-23: 2021 (redrafted) or latest amendment if any. [ warranty period: 30 months after the date of d elivery ] ] , manufacturing and supply of fish bolts and nuts of size 25 x 330 mm to rdso drg no. t- 11528 with latest alterations if any, use for points & crossing, confirming to irs specifications serial no. t-23: 2021 (redrafted) or latest amendment if any. [ warranty period: 30 months after the date of d elivery ] ] , manufacturing and supply of fish bolts and nuts of size 25 x 370 mm to rdso drg no. t- 11532 with latest alterations if any, use for points & crossing, confirming to irs specifications serial no. t-23: 2021 (redrafted) or latest amendment if any. [ warranty period: 30 months after the date of d elivery ] ] , manufacturing and supply of fish bolts and nuts of size 25 x 350 mm to rdso drg no. t- 11530 with latest alterations if any, use for points & crossing, confirming to irs specifications serial no. t-23: 2021 (redrafted) or latest amendment if any. [ warranty period: 30 months after the date of d elivery ] ] , manufacturing and supply of fish bolts and nuts of size 25 x 390 mm to rdso drg no. t- 11534 with latest alterations if any, use for points & crossing, confirming to irs specifications serial no. t-23: 2021 (redrafted) or latest amendment if any. [ warranty period: 30 months after the date of d elivery ] ]