[1] He is a J. C. Bose National Fellow of the Department of Science and Technology and is known for his studies on protein synthesis and DNA repair in Escherichia coli and Mycobacterium tuberculosis.
[4] Moving to Canada, he did his doctoral studies on a Graduate Teaching Assistantship and Studentship by Alberta Heritage Foundation for Medical Research Foundation (AHFMR) under the guidance of Lashitew Gedamu and secured his doctoral degree from the University of Calgary in 1985.
His post-doctoral studies were at the laboratory of Johan Hans van de Sande at the university and, later, at Massachusetts Institute of Technology with U. L. RajBhandary.
[8] He is also an honorary faculty at Jawaharlal Nehru Centre for Advanced Scientific Research since 1999[9] and is a collaborator of the Genome Metabolism and Biostruct Laboratory, Budapest.
Varhsney's researches are primarily focused in the area of protein synthesis and DNA repair in Escherichia coli and Mycobacterium tuberculosis.