Listen to Chellappan Chetta Chellu online. Chellappan Chetta Chellu is a Malayalam language song and is sung by K. V. Mahadevan, K.P.Brahmanandan and Sujatha Mohan. Chellappan Chetta Chellu, from the album Old Is Gold - Everlasting Duets, was released in the year 2009. The duration of the song is 2:41. Download Malayalam songs online from JioSaavn.