Comprehensive Annual Maintenance Contract Of M/S Bombardier Make Igbt Based 3-Phase Drive Traction Converter Fitted In Wap5, Wap7 And Wag-9H Class Of Locomotives As Per Clw Specification No. Clw/Amc/C-D&D/01 Issued On March- 2016 With Oem, Qty. 18 Locomotive For A Period Of 36 Months At Electric Loco Shed- Ghaziabad.