- The Dandi March, or Salt Satyagraha, was a major nonviolent protest action led by Mahatma Gandhi. - It began on March 12, 1930, not March 15, 1930. This statement is incorrect. - The march started from Gandhi's Sabarmati Ashram in Ahmedabad. This statement is correct. - The march concluded at Dandi, a coastal village in Gujarat, where Gandhi broke the salt law on April 6, 1930. This statement is correct regarding the endpoint. - The distance covered was approximately 240 miles (about 385 km). It took 24 days to cover this distance, averaging about 10 miles per day. This statement is correct regarding the duration and pedestrian nature.