In 1953, after obtaining her PhD degree, she returned to India and became a faculty member at the IISc Department of Electrical Communication Engineering, later saying that she taught " electromagnetic theory, electron tube circuits, microwave technology, and radio engineering". That same year, she married Sisir Kumar Chatterjee, who was a faculty member of the same college. After their marriage, she and her husband built a microwave research laboratory and began research in the field of Microwave Engineering, the first such research in India.