Listen to Thathi Chellum online. Thathi Chellum is a Tamil language song and is sung by M.S. Viswanathan, Vani Jairam and Saibaba. Thathi Chellum, from the album Rare Hits From Tamil Films, was released in the year 1990. The duration of the song is 4:50. Download Tamil songs online from JioSaavn.