UNIT - I Introduction - Need for non-traditional machining methods-Classification of modern machining processes - considerations in process selection. Materials. Applications. Ultrasonic machining - Elements of the process, mechanics of metal removal process, parameters, economic considerations, applications and limitations, recent development. (Chapter - 1) UNIT - II Abrasive Jet Machining, Water Jet Machining and Abrasive Water Jet Machining : Basic principles, equipment, process variable, and mechanics of metal removal, MRR, application and limitations. Electro - Chemical Processes : Fundamentals of electro chemical machining, electrochemical grinding, electro chemical honing and deburring processes, metal removal rate in ECM, Tool design, Surface finish and accuracy, economic aspects of ECM - Simple problems for estimation of metal removal rate. (Chapter - 2) UNIT - III Thermal Metal Removal Processes : General Principle and applications of Electric Discharge Machining, Electric Discharge Grinding and electric discharge wire cutting processes - Power circuits for EDM, Mechanics of metal removal in EDM, Process parameters, selection of tool electrode and dielectric fluids, methods surface finish and machining accuracy, characteristics of spark eroded surface and machine tool selection. Wire EDM, principle, applications. (Chapter - 3) UNIT - IV Generation and control of electron beam for machining, theory of electron beam machining, comparison of thermal and non-thermal processes - General Principle and application of laser beam machining - thermal features, cutting speed and accuracy of cut. (Chapter - 4) UNIT - V Application of plasma for machining, metal removing mechanism, process parameters, accuracy and surface finish and other applications of plasma in manufacturing industries. Chemical machining - principle - maskants - applications. Magnetic abrasive finishing, Abrasive flow finishing, Electro stream drilling, shaped tube electrolyte machining.