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You're looking for a story related to "Statistical Quality Control" by Mahajan. I assume you meant to ask for a summary or an overview of the book, rather than a fictional story. Here's what I found:
"Statistical Quality Control" by Mahajan is a comprehensive textbook that provides an in-depth coverage of statistical quality control methods and techniques. The book is written for students, researchers, and practitioners in the field of quality control, engineering, and statistics.