Listen to Kaathal Oru online. Kaathal Oru is a Tamil language song and is sung by S. Janaki, S.P. Balasubrahmanyam and G.K. Venkatesh. Kaathal Oru, from the album Malligai Mohini, was released in the year 1979. The duration of the song is 4:51. Download Tamil songs online from JioSaavn.