Cable With Copper Conductor Suitable For Rolling Stock Application, 25Sq.Mm, Red, Yellow, Blue & Black Colour, Electron Beam Irradiation Curing Process Or Chemical Curing Process Thin-Walled Flexible Elastomeric Conforming To Rdso Spec.No. Elrs/Spec/Elc/0019, (Rev.4) Feb -2018. Note: 1) Material Should Be Supplied By Rdso S Apprroved Oem Or Their Authorized Dealers With Tender Specific Authorization Letters From Oem Only To Quote With Documentary Evidence. 2) Material Should Be Supplied In Equ