Sudarshan Kumar is working as Senior Scientist at the National Dairy Research Institute (ICAR), Karnal, India. He authored/co-authored 82 publications with 1056 citations and an h-index of 19 (Scopus, October 2023). His research interests focus on proteomics-based approaches to understand lactation and related disorders in bovine. Mass spectrometry based identification and MRL determination of residual veterinary drugs and pesticides in milk of bovine species is one of the areas of his research programs. He is specialized in molecular cloning, protein expression and purification in a wide range of hosts like bacteria, yeast and mammalian cell lines which are subjected to cell culture-based functional characterization.