•Kelappan presided over the Aikya Kerala Convention held in Thrissur in 1945.
•At this convention, he proposed the formation of a unified Kerala state that would include Kasagod, Coorg, Nilgiris, Malabar, Cochin, and Thiruvitamkur.
•Kelappan emphasized that the formation of a separate state should not be solely based on language, but also on geographical features and historical background.
•After India's independence, Kelappan led a petition committee to Delhi in 1948 to present a memorandum to Prime Minister Jawaharlal Nehru, urging the immediate formation of Kerala State.
