Supply of 50 Sq.Mm Black Colour, Electron Beam Irradiation Curing Process Or Chemical Curing Process Thin Walled Flexible Elastomeric Cable With Copper Conducto R Suitable For Rolling Stock Application Conforming To Rdso Spec.No.Elrs/Spec/Elc/0019, Rev.4, Feb-2018, 1.8 Kv Grade. Note:1 Item/Type/Model/Make/Brand From The Manufacturer/ Suppliers As Approved By Rdso Shall Only Be Considered. 2 Cables Shall Be Supplied In Coils Of 500 Metres Length, And Left Overquantity In Multiples Of 100 Metr Es With A Tolerance Of +/-5% On The Length. 3 Firm Shall Indicate The Curing Process E -Beam Irradiation Or Chemical Curing In Their Offer. Warranty Period: 30 Months After Th E Date Of Delivery