Listen to Happy birthday Rajkumar online. Happy birthday Rajkumar is a Rajasthani language song and is sung by Vinod M Balot and Rajkumar Bilopa. Happy birthday Rajkumar, from the album Happy birthday Rajkumar, was released in the year 2024. The duration of the song is 11:48. Download Rajasthani songs online from JioSaavn.