Listen to Oru Moha Ragam online. Oru Moha Ragam is a Tamil language song and is sung by S. Janaki and Rajkumar Bharathi. Oru Moha Ragam, from the album Unakkaga Oru Roja, was released in the year 1985. The duration of the song is 4:40. Download Tamil songs online from JioSaavn.