Correct Answer: (b) Subhash Chandra Bose
Solution:Subhash Chandra Bose was elected President of Congress in the Haripura Session (Gujarat) of February 1938, unopposed. It is well known that Subhash Chandra Bose was re-elected as President of Tripuri Session (1939) of INC by defeating re-elected Pattabhi Sitaramayya (who was supported by Gandhiji).