Listen to Fagunar Jonaki Sai online. Fagunar Jonaki Sai is an Assamese language song and is sung by Rupam Bhuyan and Ramen Das. Fagunar Jonaki Sai, from the album Boikunthar Mahakeli, was released in the year 2016. The duration of the song is 7:15. Download Assamese songs online from JioSaavn.