In a massive development for fans of political crime dramas, filmmaker Ram Gopal Varma is all set to return to his most celebrated cinematic universe. Nine years after the last part of the franchise, Varma is gearing up to reboot the series with Sarkar 4. The film marks a special reunion as it brings back the iconic onscreen father-son duo, Amitabh Bachchan and Abhishek Bachchan. According to a report by Pinkvilla, the project is moving at a fast pace and is scheduled to go on floors very soon. The shoot for Sarkar 4 is officially set to begin on April 25.