Consider the given statements which are in the context of 'Non-Cooperation-Khilafat Movement'. Which of the statements is/are correct?

Statements: 

I. To defend the Khalifa’s temporal powers, a Khilafat Committee was formed in Bombay in March 1919.

II. Through the summer of 1920 Mahatma Gandhi and Muhammad Ali Jinnah toured extensively, mobilising popular support for the movement. 

III. The Non-Cooperation-Khilafat Movement began in January 1921.