Listen to Lach Lach Lachke La Kanhwa Pe Kawar online. Lach Lach Lachke La Kanhwa Pe Kawar is a Bhojpuri language song and is sung by Raj Kumar. Lach Lach Lachke La Kanhwa Pe Kawar, from the album Kawariya Bihar Wala, was released in the year 2019. The duration of the song is 5:17. Download Bhojpuri songs online from JioSaavn.