Listen to Nirghum Koto Raat online. Nirghum Koto Raat is a Bengali language song and is sung by Parveen Sultana. Nirghum Koto Raat, from the album Tomar Ducokhe Cokh Rekhe, was released in the year 2008. The duration of the song is 5:21. Download Bengali songs online from JioSaavn.