Listen to Guna seela Natha Unnai online. Guna seela Natha Unnai is a Tamil language song and is sung by K.R. Pichumani Iyengar. Guna seela Natha Unnai, from the album Sri Prasana Sinivasam, was released in the year 2014. The duration of the song is 5:08. Download Tamil songs online from JioSaavn.