His current research interests are experimental oncology, radiobiology, biological radioprotection and cell signaling in cancer therapy.
[1] He is currently the Joint Director of the Institute of Nuclear Medicine and Allied Sciences (INMAS), DRDO, Head, Division of Radiation Biosciences, INMAS, and Adjunct Faculty at the Dr. B. R. Ambedkar Center for Biomedical Research (ACBR), University of Delhi.
[2] He is one of the members of the three-member committee (along with Prof. S.C. Pancholi of the Nuclear Science Centre and Prof. N.C. Goomer of Board of Radiation and Isotope Technology) that was constituted by the Delhi University to probe the incident of radioactivity leakage in a Delhi scrap market, the source of the radioactive material was traced to the chemistry department of the university.
[3] Dwarakanath was born in Bangalore, Karnataka, India, to B. N. Srinivasa Rao and B. S. Padmavathi as the third among 5 siblings.
He obtained his Ph.D. degree from Bangalore University, working at the National Institute of Mental Health and Neurosciences under the radiation biologist Viney K. Jain.