This presentation provides an overview of the mechanical workshop at the Izzatnagar division of Indian Railways. It discusses the various shops that perform maintenance including the diesel shop, wheel shop, fabrication shop, carriage shop, broad gauge shop, and coach lifting shop. It provides details on periodic overhauling of coaches, the functions of the wheel shop, and jobs performed in the broad gauge shop. It also briefly outlines the air braking system used in trains and introduces bio toilets and the Talgo high-speed train system being trialed in India.