Listen to O Mara Bansa online. O Mara Bansa is a Rajasthani language song and is sung by Twinkal Vaishnav. O Mara Bansa, from the album Twinkle Vaishnav Hits, was released in the year 2017. The duration of the song is 6:34. Download Rajasthani songs online from JioSaavn.