This research work emphasizes the optimization of various machining parameters like Material Removal Rate, Surface Finish and Micro hardness of Austempered Ductile Iron by using Design of Experiment Approach including Taguchi Analysis. ADI is in huge demand of materials due to high strength, hardness and toughness and therefore machining by unconventional machining methods are required.This book will also prove to be beneficial for students undergoing UG, PG and research areas in Mechanical Engineering and various other co-branche