Dr. Rai has global research exposure in characterization of recombinant DNA vaccines and has worked as Research Associate for more than 4 years under NATP project at Indian Veterinary Research Institute, Izatnagar. He has attended several conferences/ symposia/training courses and workshop. He has authored 36 National and International research publications. He is the member of National Scientific Bodies. He has been teaching from last 6 years and guided more than 60 students PG level (M.Sc. Microbiology/ Biotechnology) and also supervising Ph.D students. He has been teaching from last 9 years.