 In 1918 Madhavan was elected to the Sree Moolam Praja Sabha, a legislative council of Travancore.In the same year he made his maiden speech at the Sree Moolam Assembly in lieu of his uncle Komalezhathu Kunjupillai Chekavar.He presented a resolution seeking permission of temple entry and right to worship to all people irrespective of caste and community.