Kerala People's Party chief and actor Devan on Sunday joined the BJP in presence of Union Home Minister Amit Shah in Thiruvananthapuram, ahead of Kerala Assembly elections. Actress Radha and former bureaucrat KV Balakrishnan also joined the saffron party during the valedictory function of BJP's Kerala Vijay Yatra in Shangumugham. 'Metro Man' E Sreedharan was also present at the event.