Listen to Happy Birthday Aaj Ko Tero online. Happy Birthday Aaj Ko Tero is a Rajasthani language song and is sung by Jai Singh Seemla. Happy Birthday Aaj Ko Tero, from the album Happy Birthday Aaj Ko Tero, was released in the year 2024. The duration of the song is 9:56. Download Rajasthani songs online from JioSaavn.