When was 'Dandi March' started by Mahatma Gandhi?

The correct answer is Option (1) → 12 March 1930

The Salt Satyagraha, also known as the Dandi March led by Gandhiji was initiated on March 12, 1930.

The Salt Satyagraha is also known as the Civil Disobedience Movement. This movement, led by Mahatma Gandhi in 1930, was a non-violent protest against the British salt monopoly in India. It aimed to challenge the unjust salt tax imposed by the British colonial government and promote self-reliance through the production of salt by Indians.