Manoj Kumar presented on his practical training at the OCO and Wagon Workshop in Ajmer from May 7 to July 6, 2018. The presentation covered:
1. An introduction to the Indian Railways network and its operations.
2. The nomenclature used for locomotives and an overview of diesel locomotives, including their prime movers, fuel storage, transmission mechanisms, and control and braking systems.
3. Descriptions of different locomotive types like the WDM2, WDG3A, and WDP3A along with their specifications.
4. An overview of the wagon and freight vehicle maintenance work done at the bogie, wheel, and wagon rebuilding shops.