The present state-of-art book has been written as per the new syllabus of B. Pharmacy, introduced by Pharmacy Council of India (PCI). This book has an inclusive content that covers the wider aspects of pharmaceutical quality assurance required by under- graduates, post graduates, industry personnels, researcher, and students preparing for various competitive exams. The distinguishing feature of this book is that the book is written in lucid, simple and easy to understand language. The book is accompanied with Multiple Choice, Fill in the Blank, True-False, Short Answer and Long Answer type of questions for the self- evluation of learning. The answers of the Multiple Choice, Fill in the Blank and True-False questions have also been given. Web links/further reading are included to help the readers for keeping themselves abreast with th latest developments in the held of pharmaceutical quality assurance. Academicians and instructors in universities/colleges may use the book as primary or additional teaching material for under-graduate and post-graduate pharmacy courses.