Listen to Kaahay Lagi Lagan online. Kaahay Lagi Lagan is a Hindi language song and is sung by Shafqat Amanat Ali. Kaahay Lagi Lagan, from the album Bol Kaffara - Season 1, was released in the year 2018. The duration of the song is 6:16. Download Hindi songs online from JioSaavn.