It gives me immense pleasure to present a book entitled "Quality assurance techniques in pharmaceuticals". Need to write this book is ever increasing the data on the subject matter of quality assurance. In the era of quality assurance, every firm need to be quality assured so that it can achieve its quality goal. Book is prepared to emphasis on the basic techniques, methods, plans, certification procedures for quality assurance, keeping in mind the syllabus of quality assurance techniques laid by various Indian universities. Goal of this book is to provide primary and update knowledge of various quality assurance data to master of pharmacy students in the professional programme of their study. The on statistical methods used for method development is prepared by keeping in mind the need of method development for various drug combinations. Special emphasis is given on modern techniques like SUPAC and PAT. Beside these ISO,GMP,ICH Guidelines are very well explained.