 He moved the resolution for the eradication of untouchability in the kakkinada session of Indian National Congress in 1923.In 1924, Vaikom Sathyagraha was started under the leadership of Madhavan, K. Kelappan, and K.P.Kesava Menon to get the right of oppressed class of people to travel through the road in front of Vaikom Mahadeva temple.Madhavan and Kesava Menon were arrested and imprisoned.