Overhauling/Rehabilitation Of Valves Fitted Of Ccb-1.5 System Including Repair Attention, Re-Qualification Of Brake Controller Pcb & Replacement Of Potentiometer Of Hhp Locomotives Of Andal Diesel Shed, E Rly. Through The Oem, M/S Knorr Bremse India Pvt. Ltd. For 35 Locomotives On A Single Tender Basis During 6Th Yearly Schedule.