Listen to Thanni Eraikaiyila online. Thanni Eraikaiyila is a Tamil language song and is sung by S.A. Rajkumar and Rajkumar Bharathi. Thanni Eraikaiyila, from the album Rayilukku Neramaachu, was released in the year 1998. The duration of the song is 1:21. Download Tamil songs online from JioSaavn.