On the occasion of Malavika Mohanan's birthday on Friday, the makers of Thangalaan released a new poster of her from the film. Wishing her on the special occasion, the makers also revealed that her character is named Aarathi in the film. 

In the poster, Malavika Mohanan is seen in the tribal costume, wearing multiple beaded neckpieces, and holding a spear-like weapon in her hand. 

Directed by Pa Ranjith, Thangalaan stars Vikram in the lead role. With Parvathy Thiruvothu as the female lead, the film's cast also includes  Pasupathy, Daniel Caltagirone, and Hari Krishnan. The film is expected to showcase the story of the origins of the Kolar Gold Field of Karnataka. 

Studio Green and Neelam Productions are backing Thangalaan. The film has music by GV Prakash, marking his first collaboration with the filmmaker. Tamil Prabha is the film's co-writer, while Selva RK and SS Murthi will handle the editing and art departments, respectively. 

While the makers are yet to announce the release date, Thangalaan will release in Telugu, Malayalam, Kannada, and Hindi.