Radha was a popular theatre artist who performed in more than 5000 stage shows. Starting at the age of 10, he appeared at first in small roles and eventually grew to a level that stories for dramas were custom made for him. Radha gained popularity with the success of his stage play Ratha Kanneer. His performance in the 1954 film version of the play brought wider recognition of his talents and made him a household name in Tamil Nadu. Radha played both villain roles and comedic roles.