Hello, If you want to go for the study material first of all you should go for NCERT books for basic knowledge. IGNOU study material is also good. Some suggested BOOKS. You can download e-books by the authors name.
Mechanical Engineering. V.P Singh 11 Machine Design a) Shigley b) VB Bhandari 12 Material Science a) WD Callister b) IP Singh 13 Production Engineering a). Materials Science and Engineering An Introduction William D. Material Science: WD Callister IP Singh: 13. Material Science WD Callister IP Singh13.