The correct answer to the question is option 3, E.V. Ramaswamy Naicker. The Self-Respect Movement refers to a social reform movement that was initiated in the early 20th century in the state of Tamil Nadu, India.

Option 1, B.R. Ambedkar, is incorrect as he was a prominent leader of the Dalit movement and the architect of the Indian Constitution, but he was not directly associated with the Self-Respect Movement.

Option 2, Jyotiba Phule, is also incorrect as he was a social reformer from Maharashtra, India, who worked towards the upliftment of the lower castes and women. His work was influential in the social reform movements in India, but he was not specifically associated with the Self-Respect Movement.

Option 4, Jawaharlal Nehru, is incorrect as well. Nehru was the first Prime Minister of India and a key figure in the Indian independence movement, but he did not play a significant role in the Self-Respect Movement.

In summary, the correct answer is E.V. Ramaswamy Naicker. He was a social activist and politician who founded the Self-Respect Movement, which aimed to fight against caste-based