Listen to Dil Su Happy Birthday Bolu online. Dil Su Happy Birthday Bolu is a Rajasthani language song and is sung by Krishan Thali. Dil Su Happy Birthday Bolu, from the album Dil Su Happy Birthday Bolu, was released in the year 2022. The duration of the song is 8:21. Download Rajasthani songs online from JioSaavn.