Listen to Kaadhal Seiya online. Kaadhal Seiya is a Tamil language song and is sung by Bobby Shankar, Unni Menon and Srinivas. Kaadhal Seiya, from the album Unakkaaga Mattum Kaadal Vanile, was released in the year 2000. The duration of the song is 4:32. Download Tamil songs online from JioSaavn.