Listen to Lach Lach Kamar Lachke La online. Lach Lach Kamar Lachke La is a Bhojpuri language song and is sung by Sonu Sajan. Lach Lach Kamar Lachke La, from the album Lagelu Bipasha, was released in the year 2012. The duration of the song is 6:35. Download Bhojpuri songs online from JioSaavn.