Listen to Gaichi Premer Ekta Gaan online. Gaichi Premer Ekta Gaan is a Bengali language song and is sung by Aayan Mukherjee and Rajkumar Sengupta. Gaichi Premer Ekta Gaan, from the album Tales & Tunes, was released in the year 2015. The duration of the song is 3:58. Download Bengali songs online from JioSaavn.