Listen to Kamar Tor Lach Lach online. Kamar Tor Lach Lach is a Bhojpuri language song and is sung by Pawan Singh and Kalpna. Kamar Tor Lach Lach, from the album Hangama Hangama, was released in the year 2008. The duration of the song is 4:29. Download Bhojpuri songs online from JioSaavn.