 After returning to India in 1922, he joined the University of Calcutta as the Khaira Professor of Indian Linguistics and Phonetics.After retirement in 1952, he was made Professor Emeritus and later in 1965, the National Research Professor of India for Humanities.Suniti Kumar accompanied Rabindranath Tagore to Malaya, Siam, Sumatra, Java, and Bali, where he delivered lectures on Indian art and culture.