Arulnithi and Priya Bhavani Shankar are looking for the owner of the book that brings death in the first teaser of Demonte Colony 3. The teaser was unveiled by the makers on Monday. The teaser introduces the book's keeper as a librarian, whose identity the makers will unveil on Tuesday at 5:01 pm.

Helmed by Ajay Gnanamuthu, Demonte Colony 3 comes with the tagline 'The End is Too Far'. As earlier reported, the third part's returning cast features lead actors Arulnithi and Priya Bhavani Shankar, reprising their roles from earlier films in the franchise. Muthukumar and Meenakshi Govindarajan will be seen in supporting roles. Sam CS returns as the music composer for the third instalment.

Demonte Colony 2 was released in 2024 and continued the story of Arulnithi, where he played dual roles. The first posters of Arulnithi and Priya Bhavani Shankar from the film were unveiled earlier. Arulnithi's character seemed to be teetering on the edge of evil, while Priya looked pregnant and had blood on her hand and stomach in the character posters.

While plot details for the third part remain unknown, the film will release during the summer of this year. Speaking about the new film during the original film's tenth anniversary in May 2025, the director took to his X handle and wrote that they are working hard to craft a "chilling, cinematic and unforgettable theatrical experience" for the third part.

The other members of the technical team include cinematography by Sivakumar Vijayan, editing by Kumaresh D, and dialogues by Pattukkottai Prabakar. The film is produced by Sudhan Sundaram, Manish Singhal and Durgaram Choudhary. RC Rajkumar, Akshat Singhal and Mohit Singhal serve as co-producers. 

The Demonte Colony franchise started with the eponymous film in 2015, starring Arulnithi, Ramesh Thilak, Abishek Joseph and Sanath in lead roles. It was released on 22 May 2015 and became a box office success. It tells the story of four inebriated friends who decide to do something adventurous and visit a haunted bungalow. However, when one of them steals a diamond necklace, their home becomes a hotbed of supernatural activity.