Listen to Kovil Mani Osai online. Kovil Mani Osai is a Tamil language song and is sung by Ilaiyaraaja, S. Janaki and Malaysia Vasudevan. Kovil Mani Osai, from the album Endrum Iniyavai - Ilayaraja Hits, was released in the year 1999. The duration of the song is 4:44. Download Tamil songs online from JioSaavn.