Tenders for Supply of Pvc Insulated Armoured, Unscreened, Underground Power Cable 2 Core X 25 Sqmm For Railway Signalling As Per Rdso Specification No. Irs:S-63/2014Rev. 4.0 & Is:1554Pt.1 Pvc Insulated Armoured, Unscreened, Underground Power Cable 2 Core X 25 Sqmm For Railway Signalling As Per Rdso Specification No. Irs:S-63/2014Rev. 4.0 & Is:1554Pt.1