Hawaizaada, starring Ayushmann Khurrana, Mithun Chakraborty and Pallavi Sharda, is set in the 19th century. Naturally, one of the challenges of making the film was staying true to that period — be it recreating the Bombay of 1895 or designing the right costumes. Needless to say, director Vibhu Virender Puri and his team did extensive research.