 Actress Konkona Sen Sharma is his granddaughter.Das Gupta had a flick with politics during the anti-British Quit India movement days of the 1940s.This forced him on to jobs – teaching at St. Columba's College, Hazaribagh, personal assistant to Prasanta Chandra Mahalanobis at the Indian Statistical Institute, Calcutta, teaching at City College, Kolkata, journalism, and then a plush job in advertising with Imperial Tobacco.