Leader of Rebellion) is a 2022 Indian Tamil-language action thriller film directed by Magizh Thirumeni and produced by Udhayanidhi Stalin of Red Giant Movies.

[2] Kalaga Thalaivan was released in theatres on 18 November 2022 to generally positive reviews from critics and become a commercial success at the box office.

However, Vahjra's CEO Ved Tiwari, who is operating in Mumbai, learns that the vehicles actually emit high amounts of pollutants and decides to keep it confidential, unbeknownst to the 18 board members and 20,000 employees.

Checking the CCTV footage, Arjun captures Thiru's friend Karthik and kills him, where he also finds that his identity documents are bogus.

Thiru's parents and Gandhi's father learnt about the chemical pollutants that were leaked by Vahjra and filed a complaint against them, but they were killed by Tiwari and the corporates.

[14] M. Suganth of The Times of India rated the film 3 out of 5 stars and wrote "This is felt even more with Thiru and Maithili's romantic track, which mainly feels like something that the filmmaker has introduced as a relief to the tense hide-and-seek between the hero and the villain.

"[15] Kalyani Pandian of ABP Nadu gave 3 out of 5 stars and wrote that though the screenplay of Kalaga Thalaivan is interesting, the celebration that is not inherent in Magizh Thirumeni's films, naturally keeps us going through it too.

"[18] Kirubhakar Purushothaman of The Indian Express gave 2.5 out of 5 stars and wrote "Despite playing a formulaic role, Arav's character works mainly due to his physical demeanor.

"[19] Srivatsan S of The Hindu wrote "This is the kind of film that relies on spoon-feeding information, narrative points over voice-over rather than converting them into emotions.

"[22] Thinkal Menon of OTTPlay gave the film's rating 3 out of 5 and wrote "The conflict between protagonist and antagonist is the highlight of the movie which could have been better in terms of screenplay.