Listen to Lahango Gajab Laage Janu online. Lahango Gajab Laage Janu is a Rajasthani language song and is sung by kalu Singh. Lahango Gajab Laage Janu, from the album Lahango Gajab Laage Janu, was released in the year 2021. The duration of the song is 3:27. Download Rajasthani songs online from JioSaavn.