He was elected as President of the India National Congress at the Tripura session but as he could not agree with the views of Gandhiji he resigned from the presidentship of the Indian National Congress and founded the All India Forward Bloc in 1939.
In September, 1939, the Second World Was broke out. In July, 1940 Subhash Chandra Bose was arrested by the British government along with many other Congress leaders under the Defence of India Rules.