Listen to Gramchhara Oi Ranga online. Gramchhara Oi Ranga is a Bengali language song and is sung by Sarbani Sanyal Baidya. Gramchhara Oi Ranga, from the album Laboney Purno, was released in the year 2010. The duration of the song is 3:42. Download Bengali songs online from JioSaavn.