supply of manufacture and supply of 1 in 8.5 diamond crossing with single slips [curved switch] bg for 60 kg. rails [uic] on psc sleepers layout complete with cms acute x-ings to rdso drg. no. t- 4967, cms obtuse x-ing to rdso drg. no. t-6495 and 7000 mm or switches [curved] to rdso drg. no. t-6493 with latest alterations if any, as on date of opening of tender and conforming to irs specifications t-10-2025 and irs:t-29 (revised-2024) with latest amendments is any, complete with all parts as listed in the sub assembly drawings but excluding, fish plates, fish bolts, elastic rail clips, grsps and insulating liners/ metal liners.manufacture and supply of 1 in 8.5 diamond crossing with single slips [curved switch] bg for 60 kg. rails [uic] on psc sleepers layout complete with cms acute x-ings to rdso drg. no. t- 4967, cms obtuse x-ing to rdso drg. no. t-6495 and 7000 mm or switches [curved] to rdso drg. no. t-6493 with latest alterations if any, as on date of opening of tender and conforming to irs specifications t-10-2025 and irs:t-29 (revised-2024) with latest amendments is any, complete with all parts as listed in the sub assembly drawings but excluding, fish plates, fish bolts, elastic rail clips, grsps and insulating liners/ metal liners.,manufacture and supply of 1 in 8.5 diamond crossing with single slips [curved switch] bg for 60 kg. rails [uic] on psc sleepers layout complete with cms acute x-ings to rdso drg. no. t- 4967, cms obtuse x-ing to rdso drg. no. t-6495 and 7000 mm or switches [curved] to rdso drg. n o. t-6493 with latest alterations if any, as on date of opening of tender and conforming to irs specifications t-10-2025 and irs:t-29 (revised-2024) with latest amendments is any, complete with a ll parts as listed in the sub assembly drawings but excluding, fish plates, fish bolts, elastic rail clips, grsps and insulating liners/ metal liners. ]