Listen to Naan Oru Gnani online. Naan Oru Gnani is a Tamil language song and is sung by Shankar-Ganesh, Chorus and S.P. Balasubrahmanyam. Naan Oru Gnani, from the album Oomai Ullangal-Kalyana Paravaigal-Viswanathan Velai Venum-Puthiyavargal, was released in the year 1981. The duration of the song is 5:04. Download Tamil songs online from JioSaavn.