Listen to Raavellam Un Gnabagam online. Raavellam Un Gnabagam is a Tamil language song and is sung by Shankar Ganesh and K. S. Chithra. Raavellam Un Gnabagam, from the album Nalladhai Naadu Ketkum, was released in the year 1992. The duration of the song is 4:46. Download Tamil songs online from JioSaavn.