Whilst at Paris, the young Bagchi also made his mark as an effective organiser He was one of the founders of "Association des Etudiante Hindous de France (Association of Indian Students of France). Forever sympathetic, he was loved by all Indian students and whenever required, he was ready to extend his helping hand. The well known scientist, Satyendra Nath Bose personally benefited from an introductory letter to Madame Marie Curie by Prof. Sylvain Lévi at the request of Bagchi. Satyendra Nath Bose has given an illuminating account of the significant role played by the young Bagchi, a man of 'exemplary integrity' in a chapter in his Bengali compilation of essays.
