Listen to Birthday 1 January ko Aav online. Birthday 1 January ko Aav is a Rajasthani language song and is sung by Niru Dhyavana and Manish Samel. Birthday 1 January ko Aav, from the album Birthday 1 January Ko Aav, was released in the year 2022. The duration of the song is 8:48. Download Rajasthani songs online from JioSaavn.