Supply of 4 Sq.Mm Chocolate Colour, Electron Beam Irradiation Curing Process Thi N Walled Flexible Elastomeric Cable With Copper Conductor Suitable For Rolling St Ock Application Conforming To Rdso Spec.No.Elrs/Spec/Elc Oo19, Rev.4, Feb -2018, 1.8 K V Grade. Warranty Period: 30 Months After The Date Of Delivery