Chakra () is a 2021 Indian Tamil-language action techno-thriller film written and directed by M. S. Anandan in his directorial debut. It is an stand-alone sequel to Irumbu Thirai. The film stars Vishal and Shraddha Srinath in the lead roles while Regina Cassandra played the antagonist. The film's theme is based on cybercrimes and e-commerce scams. where it revolves around two officers, who investigates about the robberies which occurred on Independence Day. The film was released theatrically on 19 February and received mixed to positive reviews. The film became a moderate success at the box office. Plot 50 robberies occurred on Independence Day, with two masked robbers looting houses. The entire police force is clueless without the slightest lead or evidence. ACP Gayathiri is assigned for the case investigation. Gayathri learns that the 50th house belongs to her ex-boyfriend Major Chandru. Chandru's grandmother gets injured in the theft in an attempt to safeguard the Ashoka Chakra medal, which was bestowed to Chandru's late father. Chandru joins Gayathri in the investigation to retrieve the medal and solve the case. Chandru checks the case details and information from the victims, only to realize that the robbers knew the exact location of Jewels in every house. Chandru lists down the people who can get access to houses and realizes that a company known as Dial For Help may be involved in the case and all 50 houses had been serviced by the company under a common number belonging to a person named Marimuthu. The police rush to Marimuthu's house, only to find his wife there. Marimuthu's widow explains that her husband had died two years ago. Chandru, with no other clue returns. Meanwhile, a mysterious person calls the Commissioner and informs that he was responsible for all the thefts thus far and challenges the entire force that no one would be able to track him down. Accepting this as a challenge, Chandru tries to provoke the unknown person, who gives a clue to his location. They realize that it refers to a place, and they rush to the place, only to find destroyed computers. Chandru heads back to share the clues, where he reveals that the clue refers to the queen in chess and that the hacker had left a partial thumbprint on the scanner used to destroy all data. Chandru further reveals that theft would occur in 58 more houses on August