Listen to Natun Kon Baishakhi Din online. Natun Kon Baishakhi Din is a Bengali language song and is sung by Ruma Mukherjee and Kalyan Sen Barat. Natun Kon Baishakhi Din, from the album Ruma Mukhopadhyay-Abar Sakal Elo, was released in the year 2000. The duration of the song is 4:17. Download Bengali songs online from JioSaavn.