Naya Daur (transl. The New Era) is a 1957 Indian Hindi-language social drama film directed and produced by B. R. Chopra. It was written by Akhtar Mirza. It stars Dilip Kumar, Vyjayanthimala in lead roles, along with Ajit, Jeevan, Johnny Walker, Chand Usmani, Nazir Hussain, Manmohan Krishna, Leela Chitnis, Pratima Devi, Daisy Irani, Radhakishan form an ensemble cast. The film narrates the story of Shankar and Krishna, two best friends who fall for the same woman, Rajni.