Listen to Amma Unathu Arputhangal online. Amma Unathu Arputhangal is a Tamil language song and is sung by K. V. Mahadevan and Vani Jayaram. Amma Unathu Arputhangal, from the album Melmaruvathoor Arputhangal, was released in the year 1986. The duration of the song is 4:40. Download Tamil songs online from JioSaavn.