Movie Review: Kayilan (2025) – A Promising Investigative Thriller with a Strong Female Lead
Directed by Arul Ajit in his directorial debut, Kayilan is a Tamil investigative thriller built around the clash between an NIA investigation and a journalist’s pursuit of the truth. The film stars Sshivada, Ramya Pandian and Prajin in the lead roles, supported by Manobala, G. Gnanasambandan, Anupama Kumar and Abishek Joseph George.
The film was originally titled Idumbankaari and was later renamed Kayilan. It finally reached theatres on October 10, 2025, after an earlier planned release in July. (Wikipedia)
Quick Review Overview
| Attribute | Details |
|---|---|
| Director | Arul Ajit |
| Lead Cast | Sshivada, Ramya Pandian, Prajin |
| Supporting Cast | Manobala, G. Gnanasambandan, Anupama Kumar, Abishek Joseph George |
| Music Composer | Karthik Harsha |
| Background Score | Hari S.R. |
| Cinematography | Ameen Azim |
| Editor | Ignaitious Aswin |
| Genre | Investigative Thriller / Drama |
| Language | Tamil |
| Runtime | 125 Minutes |
| Certification | U |
| Theatrical Release | October 10, 2025 |
| Production | BTK Films |
| OTT | Lionsgate Play and associated channels |
The film has a reported runtime of 125 minutes and is currently listed as streaming in India through Lionsgate Play and related channels. (IMDb)
Storyline: An Investigation That Connects Two Women
The story follows Aathirai (Sshivada), an NIA officer involved in a sensitive investigation.
At the same time, Shangunthala (Ramya Pandian), a television news editor, is pursuing information that could expose an important truth.
What initially appear to be two separate investigations gradually begin to intersect.
Aathirai’s official investigation and Shangunthala’s journalistic pursuit place both women in increasingly dangerous circumstances. As they get closer to the truth, the distinction between national security, journalism, justice and personal responsibility becomes increasingly complicated.
The film’s central conflict therefore isn’t simply about catching a criminal. It asks how far someone should go when the truth threatens powerful interests.
The District synopsis similarly describes the film as an investigative thriller in which an NIA officer’s probe collides with a TV news editor’s pursuit of the truth. (District)
Character Performances: Sshivada and Ramya Pandian Lead the Way
The female-led cast is one of Kayilan‘s most interesting aspects.
- Sshivada (as Aathirai): Sshivada gives the film a strong central presence as the NIA officer. She brings seriousness and determination to the role, particularly during the investigation scenes. Reviews have specifically praised her performance. (Wikipedia)
- Ramya Pandian (as Shangunthala): Ramya Pandian provides a different energy as the television news editor. Her character’s pursuit of information creates an interesting contrast with Aathirai’s institutional investigation. The two-character structure gives the film a strong female-driven foundation.
- Prajin (as Kandhsamy): Prajin delivers an effective supporting performance and contributes to the investigative portions of the narrative.
- Manobala: Manobala adds his familiar screen presence to the supporting cast.
- G. Gnanasambandan: Gnanasambandan contributes to the film’s investigative and dramatic atmosphere.
- Anupama Kumar (as Chellai Varadharajan): Anupama Kumar gives a solid supporting performance in an important character role.
- Abishek Joseph George (as Keeran): Abishek Joseph George adds another layer to the ensemble and is among the actors credited in the principal cast. (IMDb)
Technical Craft & Direction: A Focused Investigative Approach
Director Arul Ajit makes an ambitious debut by choosing an investigative thriller rather than a conventional commercial formula.
The director had previously revealed that the film was originally titled Idumbankaari and that the name was changed to Kayilan, meaning a person who does not make mistakes. (The Times of India)
Cinematography
Ameen Azim handles the cinematography. The visual style remains grounded, matching the investigative nature of the story rather than relying heavily on flashy action sequences.
Music & Background Score
Karthik Harsha composes the songs, while Hari S.R. handles the background score. The music supports the thriller atmosphere, although some reviews felt that the musical elements weren’t as strong as the screenplay and performances. (Wikipedia)
Editing
Ignaitious Aswin handles the editing. At 125 minutes, the film is relatively compact for an investigative thriller, which helps prevent the story from becoming excessively long. (IMDb)
Critical Analysis: An Interesting Concept with Some Rough Edges
The biggest strength of Kayilan is its concept.
Bringing together an NIA officer and a television journalist creates two different approaches to uncovering the truth. One works within the system, while the other operates through journalism and public exposure.
The film also benefits from having Sshivada and Ramya Pandian at the centre, rather than making the investigative story entirely dependent on a conventional male action hero.
The screenplay has been praised by some reviewers for its ideas and performances. Maalai Malar reportedly appreciated the performances of Sshivada and Prajin as well as the screenplay, while criticising aspects of the cinematography, music and background score. (Wikipedia)
However, the film isn’t without problems.
The initial setup takes some time to establish its characters and central conflict. Some audience reactions similarly described the beginning as slow before the story begins moving at a better pace. IMDb currently lists the film at 5.6/10, although individual audience reviews are more positive about its concept and acting. (IMDb)
This makes Kayilan more suitable for viewers who enjoy investigative dramas and idea-driven thrillers rather than nonstop action.
Final Verdict: Is It Worth Watching?
Kayilan is a decent Tamil investigative thriller with an interesting premise and strong female-led performances.
Sshivada is convincing as the determined NIA officer, while Ramya Pandian brings a different perspective as the journalist searching for the truth. Prajin, Manobala, G. Gnanasambandan, Anupama Kumar and Abishek Joseph George provide solid support. (IMDb)
Director Arul Ajit shows promise with his debut, particularly in the way he builds a story around the conflict between official investigation and journalistic truth-seeking.
The film’s weaker technical aspects and somewhat slow setup prevent it from becoming a top-tier thriller, but its central idea and performances make it worth a one-time watch.
If you enjoy Tamil investigative thrillers, NIA stories, journalism-based dramas and female-led crime narratives, Kayilan is worth checking out.
Overall Rating: ⭐⭐⭐½ / 5 (Wikipedia)
