Listen to Kon Sar Boltay Bhai Re online. Kon Sar Boltay Bhai Re is a Maithili language song and is sung by L K Raj and Bunka Lal. Kon Sar Boltay Bhai Re, from the album Kon Sar Boltay Bhai Re, was released in the year 2025. The duration of the song is 2:58. Download Maithili songs online from JioSaavn.