These films expressed social themes mainly dealing with working-class life in India , particularly urban life in the former two examples; Awaara presented the city as both a nightmare and a dream, while Pyaasa critiqued the unreality of city life. Asif 's Mughal-e-Azam Ever since the social realist film Neecha Nagar won the Grand Prize at the first Cannes Film Festival ,  Hindi films were frequently in competition for the Palme d'Or at the Cannes Film Festival throughout the s and early s, with some of them winning major prizes at the festival. The masala film was pioneered in the early s by filmmaker Nasir Hussain ,  along with screenwriter duo Salim-Javed,  pioneering the Bollywood blockbuster format. The writing of Salim-Javed and acting of Amitabh Bachchan popularized the trend, with films such as Zanjeer and particularly Deewaar, a crime film inspired by Gunga Jumna  that pitted "a policeman against his brother, a gang leader based on real-life smuggler Haji Mastan " portrayed by Bachchan; Deewaar was described as being "absolutely key to Indian cinema" by Danny Boyle. The three Khans have had successful careers since the late s,  and have dominated the Indian box office since the s,  across three decades. The most successful Indian actor during the s—s, he is considered one of India's greatest and most influential movie stars. The Parsi plays contained crude humour, melodious songs and music, sensationalism and dazzling stagecraft. There is a strong Indian tradition of narrating mythology, history, fairy stories and so on through song and dance. However, they demonstrated how this creation intersected with people's day to day lives in complex and interesting ways. Kapoor followed the " tramp " style of Charlie Chaplin , Anand modelled himself after the "suave" style of Hollywood movie stars like Gregory Peck and Cary Grant , and Kumar pioneered a form of method acting that was similar to yet predated Hollywood method actors such as Marlon Brando. This decade also marked the entry of new performers in arthouse and independent films, some of which succeeded commercially, the most influential example being Satya , directed by Ram Gopal Varma and written by Anurag Kashyap. He was the most successful Indian actor for most of the s and s.