Listen to Unnaianidri Uttra thunai online. Unnaianidri Uttra thunai is a Sanskrit language song and is sung by M.L.Vasanthakumari. Unnaianidri Uttra thunai, from the album Golden Greats, was released in the year 2000. The duration of the song is 4:32. Download Sanskrit songs online from JioSaavn.