Gandhi began the Civil Disobedience Movement with a Satyagraha against the salt law. Under this law, nobody could manufacture salt in India without government permission. Gandhi decided to start the Civil Disobedience by breaking this law, as salt was used by everybody and would unite all sections of the people cutting across barriers of class, caste and religion. He undertook the Dandi March - a 385 kilometer walk which began at Sabarmati Ashram on 12 March 1930 and ended at the coastal village of Dandi on 6 April 1930. A Large number of people joined Gandhi and his followers along the way. At Dandi, Gandhi picked up a hand full of natural salt and broke the salt law. This sparked off the widespread Civil Disobedience Movement.