- Ashok Leyland is a leading manufacturer of commercial vehicles in India established in 1948, with a unit in Bhandara established in 1984. - The document outlines the various processes involved in manufacturing transmission gear boxes at the Bhandara unit, including gear cutting, heat treatment, assembly, testing, and quality control methods like 5S and six sigma. - It discusses the steps taken in machining gears, shafts, syncros, and casings and their assembly into the final gear box, which is tested for noise and performance before shipment.