Listen to Nan Oru Vilayattu online. Nan Oru Vilayattu is a Tamil language song and is sung by Nithyasree Mahadevan and Papanasam Sivan. Nan Oru Vilayattu, from the album Marugelara, was released in the year 2008. The duration of the song is 5:01. Download Tamil songs online from JioSaavn.