This training report summarizes Aman Kashyap's training at the Diesel Loco Shed in Izzatnagar, North Eastern Railway. The report provides an overview of the loco shed, descriptions of key components of diesel locomotives like the turbo supercharger and fuel oil system, and maintenance processes like schedule examinations. It was submitted in partial fulfillment of the requirements for a Bachelor of Technology degree in Mechanical Engineering from G.N.I.O.T. Greater Noida. The report contains 14 sections covering topics like Indian railway history, locomotive systems, and preventative maintenance examinations.