Distributed Power Wireless Control System (Dpwcs) For Ac Tap Changer Electric Locomotives With Brake Interface Unit As Per Rdso Spec. No.Rdso/2019/El/Spec/0142,Rev.0 (One Set Consists Of Two Units Of Dpwcs To Be Fitted In Two Locomotives) And Comprehensive Annual Maintenance Of Distributed Power Wireless Control System (Dpwcs) As Per Specification No. C/E.Els/Kzj/Spec/05 (Dpwcs Cmc Document). [Warranty Period: 72 Months After The Date Of Delivery ].