Solution:

Born in Mullassery, Krishnan was a reformer and banker.

He founded the magazine ‘Mithavadi’ in 1913. He was the main organiser of the Thali Road Strike against various social prejudices. After converting to Buddhism, he campaigned to convert the Ezhavas to Buddhism. As part of it, he started Mahabodhi Buddha Mission in Kozhikode. He was also the founder of Calicut Bank in 1909. He conducted Maha Buddha Conference in 1925 at Kozhikode. A Buddha temple was also built by him. Krishnan was nominated to Madras Legislative Assembly in 1930.