Their Rs425 crore donation to the Indian Institute of Science—the largest private contribution received by the institute to date—has earned the duo and their spouses a pride of place among the top five philanthropists in the country. And they are just getting started
(From left) Radha Parthasarathy, N S Parthasarathy, Subroto Bagchi and Susmita Bagchi. Image: Mayur Channagere / AGNA