Abstract—The ‘Tiger of Bengal’ Sir Ashutosh Mukhopadhyay not only achieved fame as an educationist and jurist, but his unforgettable role in the spread and expansion of Buddhism in Bengal is wort mentioning in this context.Being associated with the Calcutta Mahabodhi Society of India and the Buddhist Dharmankur Sambha, Sir Ashutosh was one of the inevitable figures not only in organizational activities but also in mobilizing Buddhism and cultural activities among the masses. The paper discusses the unforgettable role of Buddhist monk Anagarika Dharmapala, Kripasaran Mahasthavir and most importantly Sir Ashutosh in the renaissance of Buddhism in undivided Bengal and India. Efforts will be made to shed light on that glorious role of Dr. Mukherjee on establishment of Department of Pali in University of Calcutta