Listen to Oru Ponnu Onnu online. Oru Ponnu Onnu is a Tamil language song and is sung by Deva, Hariharan and Anuradha Sriram. Oru Ponnu Onnu, from the album Top 25 Hit Songs, was released in the year 2007. The duration of the song is 5:37. Download Tamil songs online from JioSaavn.