Ahead of Indian megastar Amitabh Bachchan's birthday, the team of director Nag Ashwin of National-Award winning Mahanati fame's next made a huge announcement on Friday morning.Celebrating the 50th year of Vyjayanthi Movies, the production house behind 'Mahanati' and several Telugu blockbusters, are elated to announce that Mr. Bachchan would be joining the cast of their most ambitious project, which stars Prabhas and Deepika Padukone in the lead.Produced by Swapna Dutt Chalasani and Priyanka Dutt Chalasani, the movie is scheduled to release in 2022.