He wrote dialogue for over 100 movies in the 70s, 80s and 90s.
Younger son Mohd. Shahnawaz Khan has been a assistant director in the films Vaada, Humko Timse Pyaar Hain and Milenge Milenge. He is now set to become a actor In the film Nawabi Sharabi along side his father.
His eldest son Quddus Khan is settled abroad in Canada. He works as a security officer at a airport. Quddus was not interested in joining films.
Wife's name is Azra. She produced the film Shama along side Kader Khan.
Grandson named Hamzaa is set to become a actor in a home production. He is the son of Sarfaraz Khan.
Nephew named Baitullah Khan.
As of 2016, he has never worked with Shah Rukh Khan and shared any scenes together. Although he had a cameo as one of the bidders in Oh Darling Yeh Hai India (1995) both were not exchanging dialogues or communicated with each other despite they were in one location.
Son is upcoming actor, director Nawaz Ali Khan.
Son Sarfaraz Khan is always mistaken with another actor named Sarfaraz Khan from the movie "Ajeeb Dastan Hai Yeh". This is because actors have the same exact name.