Microbiology is a rapidly emerging branch of biology that focuses on study of microorganisms. Encompassing numerous sub disciplines; microbiology has a wide scope of research and application. It has evolved as a discipline of great interest all around the world with its diverse applications in biotechnology, medical and pharmaceutical science. The book aims to present a comprehensive account of various concepts of microbiology and its applications in different industrial processes and other fields. It focuses on microbiological principles and techniques to provide a better understanding of the field. This book is beneficial for students, researchers and professionals engaged in the field of microbiology.