Dr. N.K. Singh is presently working as Professor & Head, Department of Microbiology, C.P. College of Agriculture, Sardarkrushinagar Dantiwada Agricultural University, Gujarat, India. He has been involved in teaching at undergraduate and post graduate level and has a vast research experience in the field of Agricultural Microbiology. His areas of specialization are biofertilizer technology, microbial inoculants, microbial ecology, environmental microbiology, biological control, microbial characterization and microbial diversity. He has been principal investigator of a number of projects related to application of microorganisms and has published several research articles and review papers in various peer reviewed journals and edited books.