Listen to Rela-Part 1 online. Rela-Part 1 is an Instrumental language song and is sung by Pandit Kumar Bose. Rela-Part 1, from the album Pandit Kumar Bose-Live From Darbar Festival 2006, was released in the year 2005. The duration of the song is 6:23. Download Instrumental songs online from JioSaavn.