Listen to Ja Jaan Number Hum online. Ja Jaan Number Hum is a Bhojpuri language song and is sung by Niranjan Swami. Ja Jaan Number Hum, from the album Sanam Ke Gam, was released in the year 2017. The duration of the song is 5:25. Download Bhojpuri songs online from JioSaavn.