Known in India as "Deshbandhu" or "Friend of the Country" as he led the Swaraj Independence Party in Bengal under British rule.
He was a barrister whose career began in 1909.
He initiated a ban on British clothes in Bengal during the Non-Cooperation Movement of 1919 to 1922.
His uncle was Brahmo social reformer, Durga Mohan Das.
He was visited by Mahatma Gandhi in his mountain home shortly before his death in 1925.