This comprehensive textbook is widely used in mechanical and production engineering courses across engineering colleges in India. It covers detailed topics such as engineering materials, manufacturing processes, heat treatment, casting, forging, welding, machining operations, machine tools, tooling, jigs and fixtures, automation, CNC/DNC systems, and modern production technologies. It also includes solved examples and a good number of objective-type questions for exam preparation (e.g., GATE, university exams).