Akshay Kumar's upcoming film 'Prithviraj', which will feature the actor as king Prithviraj Chauhan, will be based on the epic poem 'Prithviraj Raso' by Chand Bardai. The upcoming film will be directed by Chandraprakash Dwivedi, who also helmed Manoj Bajpayee's 2003 film 'Pinjar'. It will also feature Manushi Chhillar, who'll play the role of Prithviraj's wife Sanyogita.