After graduating ( Master of Science ) from the University of Calcutta, he studied spectroscopy with Charles Fabry at the Sorbonne in Paris. After obtaining his doctorate he was in Göttingen where he worked with Max Born at the Institut für Theoretische Physik and subsequently with Gustav Augenheister at the Geophysikalisches Institut and for a short period at the Solar Physics Observatory in Cambridge . He later worked at the Indian Meteorological Department in 1930 and then moved to the Kodaikanal observatory in 1937 as assistant director and director since 1946 and where he remained until his retirement in 1960.