Listen to Thallu Thallu online. Thallu Thallu is a Malayalam language song and is sung by Stephen Devassy and M.G. Sreekumar. Thallu Thallu, from the album Hariharan Pilla Happiyanu (Original Motion Picture Soundtrack), was released in the year 2022. The duration of the song is 3:58. Download Malayalam songs online from JioSaavn.