Listen to Thillana (Sudha) online. Thillana (Sudha) is a Carnatic language song and is sung by Sudha Ragunathan. Thillana (Sudha), from the album Carnatic Classical Vocal - Sudha Ragunathan, was released in the year 1991. The duration of the song is 5:40. Download Carnatic songs online from JioSaavn.