Gandhi is known as the Father of India because of his significant role in India's struggle for independence from British colonial rule. His contributions can be summarized as follows:

• Gandhi popularized the concept of non-violent civil disobedience or Satyagraha, which became the core principle of India's freedom movement.
• He led numerous peaceful protests and movements, such as the Salt March or Dandi March in 1930, which gained international attention and highlighted the unjust British salt laws.
• Gandhi emphasized the importance of self-reliance and encouraged economic independence through the promotion of indigenous goods and cottage industries. This helped in fostering a sense of national pride and self-sufficiency.
• He championed the rights of the oppressed and marginalized sections of society, including untouchables and women, advocating for social reform and equality.
• Gandhi played a vital role in bringing Hindus and Muslims together, promoting communal harmony and religious tolerance, thereby preventing the partition of India from becoming even more violent.
• His ideologies and teachings inspired millions of Indians to join the freedom movement, making it a mass-based movement.
• Ultimately, Gandhi's relentless efforts and sacrifices led to India's independence on August 15, 1947.

Overall, Gandhi's commitment to non-violence, social justice, and unity made him the symbol of India's struggle for freedom and earned him the title of Father of India.