Shortly after his return to India, Gandhiji was again put behind bars. The members of the Congress Working Committee were arrested. A reign of oppression and horror was un-leashed. Mira Behn collected information about the Government's autocracy from all over the country and send reports to foreign countries, such as England, France, Germany, America and Switzerland. She was imprisoned for three months. When she came out of jail, a notice was served prohibiting her from entering Bombay. She defied the order and was again arrested and imprisoned for one year.
She accompanied Gandhiji in the Orissa Harijan tour and later went on a lecture tour to England and America. She met Hallifax, Hoare, Smuts and Churchill and tried to explain Gandhiji's point of view to them. Mira Behn accompanied Bapu on some of his other tours also. She' was in charge of all personal services of Bapu.