The correct answer is (d). Mahatma Gandhi proposed the Wardha Scheme of Education.
The Wardha Scheme of Education was a system of education proposed by Mahatma Gandhi in 1937. It was based on the principles of basic education, which emphasized the importance of education for all, regardless of caste, creed, or gender. The scheme also stressed the need for education to be relevant to the needs of the people and to be based on their own experiences and culture.
The Wardha Scheme of Education was implemented in a number of schools in India, and it had a significant impact on the development of education in the country. It helped to promote the idea of education for all, and it also helped to raise the level of literacy in India.
The other options are incorrect. Dr. Radhakrishnan was a philosopher and statesman who served as the second President of India. D.S. Kothari was a educationist who served as the chairman of the Kothari Commission, which was set up in 1964 to review the educational system in India. W.W. Hunter was a British administrator who served as the Lieutenant-Governor of Bengal from 1874 to 1880.