Listen to Ar Koto Kal Khelbi Khela online. Ar Koto Kal Khelbi Khela is a Bengali language song and is sung by Momtaz. Ar Koto Kal Khelbi Khela, from the album Touhider Nishana, was released in the year 2016. The duration of the song is 5:46. Download Bengali songs online from JioSaavn.