Keeping in view the mammoth advancement in the technology, changes by way of amendments after the year 2014 in the Drugs and Cosmetics Act 1940 and Rules 1945 as well as revision of “National Standards for Blood Centers and Blood Transfusion Services (2nd Edition)” in August 2022, it was need of the hour to update the readers on SOPs, regulatory guidelines and judicial pronouncements. The importance of SOPs and quality control of blood and blood components has also been highlighted. This book is suitable for medical graduate and postgraduate students, blood center officers, and medical laboratory technicians, and even for drug regulatory officers.