supply of ,goods, fabrication & supply of 6400 mm o/r (curved) fan shaped switches 1 in 8.5, t/ou t for bg (1673 mm) 60kg on psc sleepers to rdso drg. no. t-4966 (alt.7) conforming to specification no . irs: t-10-2025 with latest corrigendum with suppliers rails complete with stock rails and all parts and fi ttings as listed in the drawing including check rails but excluding grooved rubber sole plates, insulating liners, elastic rail clips, fish plates and fish bolts. (latest alterations shall be applicable) . note: the res ponsibility to procure rails will solely lie with the manufacturer in terms of railway board letter no. 2022/ track-i(p)/fabricators dated 24.01.2022 & dated 31.07.2023 [ warranty period: 30 months after the da te of delivery ] ]