supply of fabrication and supply of 1 in 8.5 diamond crossing with double slip [ curved switch ] bg for 60kg rails [ uic ] on psc sleepers lay out complete with cms acute crossing to rdso drg. no. t-4967 / latest alteration, cms obtuse crossing to rdsos drg. no. t-6495 / latest alteration and 7000 mm or switches [ curved ] to rdso drg. no. t-6494 / latest alteration complete with all parts listed in the sub assembly drawings including of stock rail , check rail and other rails required but excluding standard fish plate, fish bolts, elastic rail clip and insulating liners / metal liners. [ warranty period: 30 months after the date of delivery ] new general stores depot / kgp, west bengal 10.00 set