Supply of Pvc Insulated Cable For Railway Signalling Heavy Duty Under Ground Unc Reened Armoured With Galvanised Round Steel Wire And The Conductors Of Plain So Lid Annealed High Conductivity Copper Each With Nominal Cross Section Area Of 1.5 S Qmm Conforming To Specn No.Irs-S-63/89 Or Latest 24 Core X 1.5 Sqmm. Warranty Period: 30 Months After The Date Of Delivery