Prof. Dewangan’s research interests are in X-ray astronomy, X-ray study of active galactic nuclei, ultra-luminous X-ray sources and X-ray binaries. His primary research interest is to probe the immediate environments of supermassive black holes through X-ray spectroscopic and temporal variability studies. His research work includes X-ray observations, data analysis/modeling and interpretation. He is also interested in multiwavelength observational astrophysics.
