Listen to Thennaadu online. Thennaadu is a Tamil language song and is sung by Mari Selvaraj, Nivas K Prasanna and Satyan Mahalingam. Thennaadu, from the album Bison Kaalamaadan (Original Motion Picture Soundtrack), was released in the year 2025. The duration of the song is 5:01. Download Tamil songs online from JioSaavn.