Listen to Kelvi Ketkum online. Kelvi Ketkum is a Tamil language song and is sung by S. Janaki and S.P. Balasubrahmanyam. Kelvi Ketkum, from the album S.P. Balasubrahmanyam Romantic Duets, was released in the year 2008. The duration of the song is 3:31. Download Tamil songs online from JioSaavn.