This film was the first film of Saawan Kumar as producer and the first film of Sanjeev Kumar as actor. Saawan Kumar had changed the name of Haribhai to Sanjeev Kumar.
Naunihal is the only production of Saawan Kumar's which he dint direct, as he has directed his all productions. Saawan Kumar, on the advise given by Meena Kumari, turned director with his second film production, Gomti Ke Kinare. Then he directed all his productions.