Karnan, a fearless village youth, must fight for the rights of the people of his village. The people of the village belong to a marginalized community that has been oppressed for decades, mainly by the dominant caste groups in the region aided by the government officials and the police who intend to keep them suppressed. The story progresses through a plethora of metaphorical symbolisms which reflect various aspects and events of the film in a creative way. The story portrays their struggles, unfairness, and finally their rise against casteism and police brutality by the hero and the entire village.Karnan 2021 Movie
n November 2018, Dhanush announced his upcoming project will be directed by Mari Selvaraj, who also appreciated the director’s debut film Pariyerum Perumal for its making and content. Selvaraj too confirmed the news in his tweet, and Kalaipuli S. Thanu backed the project under his production house V Creations, his second consecutive film with Dhanush, after Vetrimaaran’s Asuran (2019). Despite its announcement, the project’s launch was delayed owing to Dhanush’s other commitments. In August 2019, reports stated that the film will be tentatively titled as Karnan, although no official confirmation revealed from the producers.
In September 2019, sources claimed that the film may begin production in December 2019, once Dhanush completes shooting for the Karthik Subbaraj-directorial titled Jagame Thandhiram.[a] On 27 September, Dhanush met Mari Selvaraj in London while shooting for D40, in order to finalise the script for the film. After Dhanush was impressed by the narration of the final script, the makers kick-started the pre-production works of the film on 29 September, with Santhosh Narayanan being announced as the composer. On 6 January 2020, the makers officially announced the film’s title as Karnan. The film is loosely based on the 1995 Kodiyankulam violence.After wrapping the shoot for Karthik Subbaraj‘s Netflix film, Jagame Thandhiram, Dhanush joined the film’s sets in Tirunelveli on 3 January. A launch ceremony for the film was held in a simple manner on 6 January 2020, and principal photography commenced the same day. Mari Selvaraj and art director T. Ramalingam recreated a replica miniature model of a village in the district.