Bhagat Singh, M. Sc., M. Phil., Ph. D. is working as Assistant Professor and Head of the Microbiology Department at Institute of Applied Medicines and Research (I.A.M.R.), Duhai, Ghaziabad, U. P., where he teaches microbiology and immunology to B.Sc., M.Sc., (microbiology and biotechnology), and M.Tech. biotechnology students. Dr. Bhagat Singh also supervised more than fifteen post graduate students from different college and university. Dr. Bhagat Singh received world wide fame in terms of publication in national and international journal. Dr. Bhagat Singh has also been invited in the International Cronobacter Conference in Dublin, Ireland, 22-23 January 2009 as a recognized authority and expert in the field of Microbiology.