Dr. Ratnakar Shukla is currently working as an Assistant Professor, Department of Clinical Research, School of Allied Health Science at Sharda University, Greater Noida, U.P. He has more than 11 years of teaching and research experience. He holds a PhD degree from Department of Microbiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences (SGPGIMS), Lucknow with expertise in qualitative and quantitative estimation of microbial flora and Toll like receptors in pathogenesis of functional gastrointestinal disorders. He has more than 5 years of post-PhD experience in the field of inflection disease and tumor biology particularly in gall bladder cancer. Prior to joining the Sharda University, he was associated with Covid-19 Lab, SGPGIMS, Lucknow as a Research Scientist and contributed a lot in identification of SARS-CoV-2 virus and in several other academic works.