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.