In the historic Tripuri Session (1939), whom did Subhas Chandra Bose defeat to become the Congress President?

Subhash Chandra Bose was chosen President of Congress in Tripuri Session of Indian National Congress in the year 1939. Where is Tripuri?

In which of the following session of Indian National congress, Subhash Chandra Bose was elected as President for the second time?

The whole dispute between Subhash Chandra Bose and right-wing, after the Tripuri session of Congress, centred round to the question of-

Subhash Chandra Bose defeated Pattabhi Sitaramayya and became President of Indian National Congress at:

With whom did Subhas Chandra Bose form an alliance to destroy the Holwel Monument in Calcutta during 1939-40?