The purpose of this book is to provide an understanding of fundamental and basic concepts in the field of Biotechnology. This is a completely new book designed to meet the need of the students of all levels. This book is written in a systematic manner with beautiful illustration, flow-charts and diagrams and all of these will provide a platform to the students for further indepth study of the subject. Important everyday applications in Biotechnology are highlighted in this book. Covering a broad spectrum of scientific concepts, the text is designed to build a strong foundation of students. With due honour, the work of some individual scientists is introduced in this book, though contact with them have not become possible yet