 The Calcutta University appointed him Stephan’s Nirmalendu Ghosh Lecturer on Comparative Religion in 1960 (In that period he was on leave from Sampurnanand Sanskrit University).He has produced many scholars, among them are

Chattopadhyaya had been actively connected with All India Oriental Conference since its third session held in Madras in December, 1924.He presided over its Veda and Indo-Aryan section in the ninth session held at Trivandrum in 1937 and its Veda section in the eighteenth session held at Annamalainagar in 1955.