Listen to Mangai Oru online. Mangai Oru is a Tamil language song and is sung by S. P. Balasubrahmanyam and M. S. Viswanathan. Mangai Oru, from the album Mun Oru Kalathil, was released in the year 1979. The duration of the song is 4:31. Download Tamil songs online from JioSaavn.