Listen to 4g Kanwar Lachake online. 4g Kanwar Lachake is a Bhojpuri language song and is sung by Ravi Raj. 4g Kanwar Lachake, from the album Bolbum Bolat Chala, was released in the year 2023. The duration of the song is 3:23. Download Bhojpuri songs online from JioSaavn.