Actor Prithviraj is all set to make his directorial debut in a movie titled ‘Lucifer’ starring Mollywood superstar Mohanlal. The two actors had recently clashed at the box office, Prithviraj with "Oozham" and Mohanlal with "Oppam". Prithviraj had an official announcement through his facebook page about his directorial debut. The movie will be produced by Antony Perumbavoor under the banner of Ashirvaad Cinemas. The movie has its script written by Murali Gopi. This movie was the project of late director Rajesh Pillai. And now Prithviraj had taken up the responsibility to make this project happen. Prithviraj, who is a diehard fan of mohanlal once told in an interview that he want to cast Mohanlal and Manju Warrier in lead roles in his debut movie as a director.