Vishnu Vishal-Amala Paul upcoming movie Minmini has changed its title to ‘Ratchasan’. This Tamil psychological thriller is directed by Ramkumar of Mundasupatti fame and produced by G. Dilli Babu and R. Sridhar under the production house, Axes Film Factory. Vishnu Vishal will be playing the role of a cop while Amala Paul as a teacher. The movie also stars Suzane George, Sanjay and Kaali Venkat. Cinematography will be handled by PV Sankar and music is composed by Ghibran. Meanwhile, Vishnu is gearing up for his upcoming release ‘Kathanayagan’ starring Catherine Theresa and Soori in pivotal roles.