Listen to O Akash Neel Akash online. O Akash Neel Akash is a Bengali language song and is sung by Arati Mukherjee. O Akash Neel Akash, from the album Hits Of Arati Mukherjee, was released in the year 1991. The duration of the song is 3:38. Download Bengali songs online from JioSaavn.