Listen to Kal Nahin Aaye - Khayal online. Kal Nahin Aaye - Khayal is a Hindustani language song and is sung by Dr. Prabha Atre. Kal Nahin Aaye - Khayal, from the album Prabha Atre Classical, was released in the year 1971. The duration of the song is 20:53. Download Hindustani songs online from JioSaavn.