Detailed explanation and options for the selected question.
Mahatma Gandhi is known as the "Father of the Nation" due to his leadership role in India's independence movement through non-violent civil disobedience. Option "Jawaharlal Nehru" was the first Prime Minister of India, but not the Father of the Nation. Option "Subhas Chandra Bose" was a prominent freedom fighter, but he is not called the Father of the Nation. Option "Bhagat Singh" was a revolutionary and martyr, but he is not the Father of the Nation.