
Banu was born in India to actress Naseem Banu of 30s-40s, and the granddaughter of a courtesan Chamiyan Bai, also known as Shamshad Begum of Delhi (not to be confused with the famous playback singer of yesteryear Shamshad Begum who was from Amritsar, Punjab). Her father was film Producer Mian Ehsan-ul-Haq, who produced the film Phool in Bombay and film Wadah in Pakistan. She had spent a significant part of her childhood in London, and went to a finishing school. She was an actress at her school, winning many awards and bringing laurels to her parents.