Tenders for Supply of Running Contract For Supply Of Under Ground Railway Signalling Cable Unscreened, Pvc Insulated, Pvc Inner Sheathed Armoured And Pvc Outer Jacket With High Conductivity Annealed Copper Conductor Conform Ing To Rdsos Specification No.Irs:S63/2014, Rev.4.0 Or Latest., Size: 12 Core X 1.5 Sq.Mm Warranty Perio D: 30 Months After The Date Of Delivery