Dr. Singh is working in the area of Industrial Biotechnology particularly industrial enzymes, biopolymers, glycoproteins, biofuels, etc. from fungal sources. He has more than 300 publications, including 200 research papers, 5 books, 45 book chapters, and 50 popular articles and has been granted 2 Indian patents. He has many national and international awards to his credit. He is Fellow of Biotech Research Society of India, Association of Microbiologists of India and Mycological Society of India. He was guest editor of Biologia, Indian Journal of Experimental biology and Journal of Scientific and Industrial Research in 2012.