Background:
The Civil Disobedience Movement was a significant phase in India's struggle for independence from British rule. It was launched by Mahatma Gandhi in 1930 as a nonviolent protest against the British government's unfair taxation and unjust policies.

Mahatma Gandhi:
- Mahatma Gandhi, also known as Mohandas Karamchand Gandhi, was a prominent leader of the Indian Independence Movement.
- He advocated for nonviolent civil disobedience as a means to achieve social and political change.
- Gandhi believed in the power of truth and nonviolence and used these principles to mobilize the masses in the fight against British colonial rule.

Commencement of the Civil Disobedience Movement:
- The Civil Disobedience Movement was launched by Mahatma Gandhi on March 12, 1930.
- Gandhi chose Sabarmati Ashram in Ahmedabad, Gujarat, as the starting point for the movement.
- Sabarmati Ashram was a place of residence and experimentation for Gandhi and his followers, where they practiced self-sufficiency, simplicity, and nonviolence.

Salt March:
- As part of the Civil Disobedience Movement, Gandhi planned the famous Salt March, also known as the Dandi March.
- On March 12, 1930, Gandhi, along with 78 of his trusted followers, embarked on a 24-day march from Sabarmati Ashram to Dandi, a coastal village in Gujarat.
- The purpose of the Salt March was to protest against the British salt tax, which heavily burdened the Indian population.
- During the march, Gandhi delivered speeches, gathered support, and inspired thousands of people to join the movement.

Impact and Significance:
- The Civil Disobedience Movement had a profound impact on the Indian independence struggle.
- It united people from all walks of life and showcased the power of nonviolent resistance.
- The movement led to widespread civil unrest, boycotts of British goods, and acts of noncooperation.
- The British government responded with repression and arrests, but the movement continued to gain momentum.
- The Salt March and the Civil Disobedience Movement marked a turning point in India's fight for freedom and played a crucial role in the eventual attainment of independence in 1947.

Therefore, the correct answer is option 'C' - Sabarmati. Gandhi started the Civil Disobedience Movement from Sabarmati Ashram in Ahmedabad, Gujarat, and initiated the iconic Salt March to Dandi as a symbolic act of defiance against British colonial rule.