This book principally contains practical aspects of biotechnology, its theoretical background, working principles, and procedures meant for conducting experiments in the laboratories. The experiments in this book are spread in different chapters like Biochemistry, Microbiology, Immunology, Molecular biology, Plant and Animal Biotechnology, Environmental Technology, Industrial Biotechnology, Biostatistics and Bioinformatics. Besides, a chapter has been devoted towards discussion on safety guidelines, setting up of biotechnology laboratory, ethical issues concerning microbiology and genetic engineering work along with different reagent preparation for conducting laboratory experiments.||About the Author||H. N. Thatoi is presently working as Professor and Head, Department of Biotechnology, North Orissa University, Baripada, Odisha. He has also served as Reader and Head of Department of Biotechnology, College of Engineering and Technology, a constituent college of Biju Patnaik University of Technology, Rourkela, Odisha and Assistant Professor (Microbiology), Basic Science College, OUAT, Bhubaneswar. Thatoi has 12 years of teaching and 20 years of research experience in the field of microbiology and biotechnology. Supriya Dash is working as a faculty in the Department of Biotechnology at College of Engineering and Technology, a constituent college of Biju Patnaik University of Technology, Rourkela, Odisha. She carried out her research work from Central Institute of Freshwater Aquaculture (CIFA), Bhubaneswar, a premiere institute of ICAR as a research fellow. She has more than 7 years of teaching experience in the field of biotechnology. Swagat Kumar Das is working as a faculty in the Department of Biotechnology at College of Engineering and Technology, a constituent college of Biju Patnaik University of Technology, Rourkela, Odisha. He has more than 6 years of teaching experience. His teaching areas are medical and pharmaceutical biotechnology, upstream and down process engineering, biochemical reaction engineering, intellectual property rights at the B.Tech and M.Tech levels.