If a friend has a physical copy, most universities allow you to photocopy up to 10% of the book for research purposes. You can legally scan the control chart tables (Appendix) and 3-4 solved problems. You don't need the whole PDF; you just need the formulas and the tables, which are often available as standalone handouts from professors.
Mahajan dedicates a full chapter to Ishikawa diagrams. In your PDF, scan the solved case study of "Cracked Castings" – it appears verbatim in most exams. Statistical Quality Control Book By M Mahajan Pdf Free
Mahajan's book has a unique table of control chart constants (A2, D3, D4, d2). Do not skip this. Most exam problems give you raw data; you need the constants from this specific table. If a friend has a physical copy, most
If your goal is to learn Statistical Quality Control (SQC), consider these legally free or open-access texts: Mahajan dedicates a full chapter to Ishikawa diagrams