Mehnaz Begum was trained in semi- classical music by her mother, Kajjan Begum who had a large repertoire of Thumries and Dadras. She learnt nuances of light singing from Ustad Ghulam Qadir, the elder brother of Mehdi Hassan and also from Ustad Nazar Hussain. She started her career as a radio singer. Her talent was spotted by the film world. She has recorded many songs for films and since then has became immensely popular, regarded as one of the current leading singers of Pakistan.