Gandhiji started the Non-Cooperation Movement in support of Khilafat as well as for Swaraj in __________.
At the Calcutta session of the Congress in September 1920, Gandhi convinced other leaders of the need to start a non-cooperation movement in support of Khilafat as well as for Swaraj. Gandhi supported Khilafat movement so as to build unity among the Hindus and the Muslims.