Nusrat Fateh Ali Khan’s interview with Herald in 1991 republished by the Wire. Read from either of links below
https://thewire.in/culture/classical-music-not-islam-nusrat-fateh-ali-khan
https://herald.dawn.com/news/1153736/classical-music-is-not-against-islam-nusrat-fateh-ali-khan
A Punjabi NFAK biography by Saranjit Bains. You should buy it for some very rare pics it has. 
