31215-WAG9i-GMO --- 'Naveen' as the name suggests, its something new !!! This loco is first 3-phase electric locomotive in India built by CLW which is fitted with Insulated Gate Bipolar Transistor (IGBT) traction control supplied by Bombardier Transpotation. Two inverter assembled for each bogie, enabling per-axle isolation in the case of traction motor failure. If one traction motor fails, power supply to its axle gets cut-off leaving the loco with 5000hp on the other axles. .