Listen to Ku Ku Karai Koyli online. Ku Ku Karai Koyli is a Maithili language song and is sung by Rajni Pallavi. Ku Ku Karai Koyli, from the album Ku Ku Karai Koyli, was released in the year 2023. The duration of the song is 6:18. Download Maithili songs online from JioSaavn.