Option 1, Babasaheb B. R. Ambedkar, is incorrect. Babasaheb B. R. Ambedkar was a prominent social reformer and the architect of the Indian Constitution, but he did not write "The Story of My Experiments with Truth."

Option 2, Gurudev Rabindranath Tagore, is also incorrect. Gurudev Rabindranath Tagore was a renowned poet, writer, and philosopher, but he did not write "The Story of My Experiments with Truth."

Option 3, Raja Ram Mohan Roy, is incorrect as well. Raja Ram Mohan Roy was a social reformer and played a significant role in the abolition of Sati, but he did not write "The Story of My Experiments with Truth."

The correct answer is option 4, Mahatma Gandhi. Mahatma Gandhi wrote "The Story of My Experiments with Truth." This autobiography is a detailed account of his life, principles, and philosophy. In this book, Gandhi shares his personal experiences and reflections on his journey of self-discovery and his experiments with truth and non-violence. It is considered one of the most important works of Gandhi and provides insights into his thoughts and contributions to the Indian