Although there were some professional conflicts with
E.V. Ramasamy in the beginning, later he was greatly attracted by his principles and became a prominent supporter of the
Dravidar Kazhagam. While being a personal friend of
Kamaraj, he campaigned for him during elections when E.V. Ramasamy supported the Congress. Due to his political leanings and profession, he had differences of opinion with
M.G.R. He extensively propagated his reformist ideas, anti-Brahministic views, and Dravidian movement concepts through his plays and films. Despite this, even his opponents appreciated his acting. The Madras Provincial Legislative Assembly introduced a new law specifically to ban plays in response to Radha's "Ramayanam" play. When the debate for this law was taking place, Radha went to the legislature. The assembly members opposed this, but Radha insisted that he should necessarily witness the debate since the law was being created specifically for him. When Periyar announced that a hall would be opened in the name of Radha who had once proclaimed 'Don't build fan clubs for actors,' Radha shyly declined the honor. In 1963, while inaugurating the Radha Mandram (Radha Hall) at Periyar Thidal, Periyar remarked in his speech, 'I am inaugurating this hall only so that other actors might gain some wisdom. == M. G. Ramachandran shooting incident ==