After a decade the Telugu star Nagarjuna is all set to come back to Bollywood after his last film LOC Kargil. Sources say that he joined hands with Amitabh Bachchan at the Mumbai on Tuesday. Ranbir Kapoor and Alia are in the lead roles.\r\n\r\n\u201cNagarjuna wanted to do a Hindi film from a long time but was looking for an interesting project. He finally gave his nod to this one. He will join the Hindi film\u2019s sets from Tuesday onwards in Mumbai." resource person said.\r\nFor the past six years, Ayan has been continuously working for Brahmastra which is said to be a first fantasy adventure film.\r\n\r\n\u201cThis film is a modern day film. It is set in India as it exists today but the name of the film is Brahmastra because the energy, wisdom, and powers in the film come from ancient India. As far as costumes are concerned, there are some which may not be the way you would expect them to be,\u201d earlier said by Ayan.\r\n\r\nRanbir in an interview said that \u201c, \u201cIt is actually a supernatural romantic fairy tale at heart. Ayan will never make a character that doesn\u2019t have truth to it, or which is unbelievable. It\u2019s too early to talk about the film, but it is something I am terribly excited about.\u201d\r\n\r\nAlso, the film is expected to hit the theatres on 2019 Independence Day.