Later C.V.Raman recommended him for the Ghosh professorship at Calcutta (now known as Kolkata).He went to Germany to obtain the Doctor of Philosophy degree from the University of Berlin in 1919 but was imprisoned as the World War I broke out. However he completed his Doctor of Philosophy in jail and returned to India.
His specialization was in Plant Morphology. He was the Ghosh Professor of Botany (1920-1947) at the University of Calcutta. And Founder Director (1946-1960) of Maharashtra Association for the Cultivation of Science.
Since childhood he was fascinated by plants and animals which led him to discover a new species of jellyfish.
He was known for his accurate information and detailed observations.
Member of Indian Botanical Society (President) - 1923
Member of Indian Society of Soil Science (Honorary Secretary) - 1935-1940.