Listen to Ootha Kaathu online. Ootha Kaathu is a Tamil language song and is sung by P. Jayachandran, S. Janaki and Ilaiyaraaja. Ootha Kaathu, from the album Gramatthu Atthiyayam, was released in the year 1979. The duration of the song is 4:39. Download Tamil songs online from JioSaavn.