It gives us great pleasure to present this textbook of pharmaceutical quality assurance to the students of the B. Pharm. Course. It has been our endeavour to make the content student-friendly and towards this end we have included objectives at the beginning and review questions at the end of each br>Chapter while we have tried to verify all details provided in this book It is quite possible that some information may need greater clarity or Amendment – if you the readers notice any errors or scope for improvement we will be most obliged to receive your feedback and suggestions.