Mankatha is a 2011 Indian Tamil-language action thriller film written and directed by Venkat Prabhu. It features Ajith Kumar in the lead role, starring in his 50th film, along with an ensemble cast including Arjun, Trisha, Raai Lakshmi, Anjali, Andrea, Vaibhav, Premji, and Mahat Raghavendra . It was produced by Dhayanidhi Alagiri's Cloud Nine Movies while Yuvan Shankar Raja composed the musical score and soundtrack, with Sakthi Saravanan working as the cinematographer and the duo Praveen K. L. and N. B. Srikanth as editors. The story, set in Mumbai, revolves around a heist of cricket betting money, executed by a gang of four thieves, who are joined by a fifth unknown man, and its aftermath.


Vinayak Mahadev (Ajith Kumar), an Assistant commissioner of Maharashtra Police, is suspended for having saved smuggler Faizal (Aravind Akash) from encounter killing and helping him escape. Meanwhile, a police officer commits suicide because of the leakage of his IPL gambling plans, who is revealed to be Kamal Ekambaram (Subbu Panchu). ACP Prithviraj (Arjun Sarja) takes charge to end the betting scandals in IPL cricket in Mumbai. Prithvi then reveals that Kamal faked his death in a secret mission to draw attention to the betting scandals and returns under the name Praveen Kumar. Arumuga Chettiyar (Jayaprakash), an influential local illegal business dealer and Faizal's boss, owns "Golden Theatres" in Mumbai, which has been converted into a gambling den and forms the front for all his illegal businesses. Chettiyar uses his links with dons in Mumbai and tries to route through his old theatre, a cash of over to be used in betting. Vinayak is introduced to Chettiyar through his girlfriend Sanjana. Sanjana(Trisha) is in love with Vinayak, but he pretends to love her.