Tenders for Supply Of Pvc Insulated Armoured, Unscreened, Underground Railway Signalling Cable Copper Co Nductor Size 12 Core X 1.5 Sq.Mm. Conforming To Rdso Specification No. Irs:S-63/2014 Rev.4.0 Or Latest In Dru M Length Of 1 Km. Warranty Period: 30 Months After The Date Of Delivery