Superstar Mohanlal and popular directot Unnikrishnan are teaming up again for another entertainer. The director has announced the big news on a social networking site. He posted, "Mohanlal will be the lead in my next film too. The rest of the details will be divulged later."  The yet to be titled film is going to be the fourth film in the combination of Mohanlal and  Unnikrishnan. The makers are yet to decide on the female lead, music composer, supporting artists etc... Mr Fraud which is facing screening trouble is the latest film in their combination.