Listen to Kadavul Thandha online. Kadavul Thandha is a Tamil language song and is sung by Sundar C. Babu, Ranjith, Ganga and Varsha Ranjith. Kadavul Thandha, from the album Chaarulatha (Original Motion Picture Soundtrack), was released in the year 2012. The duration of the song is 2:45. Download Tamil songs online from JioSaavn.