Sethurama Iyer CBI stands out as a compelling investigative thriller that maintains a steady narrative pace throughout its runtime. The screenplay is tightly woven, with a strong emphasis on logical deduction and procedural details that engage the audience effectively. The first half sets up the mystery with a measured pace, introducing characters and clues without rushing, while the second half escalates the tension and delivers satisfying revelations.

The film's content is anchored by Mammootty's commanding presence as Sethurama Iyer, whose calm and calculated demeanor drives the story forward. The songs are minimal and situational, fitting well within the narrative without disrupting the flow. Shyam’s background score complements the suspenseful atmosphere, enhancing key moments without overpowering the scenes.

Cinematography by Saloo George captures the mood effectively, using lighting and framing to build suspense. The direction by K. Madhu ensures that the film remains focused on the investigation, avoiding unnecessary subplots. Overall, the movie is a well-crafted thriller that appeals to fans of the genre and the franchise alike.

Mammootty: Stellar and convincing portrayal of the meticulous CBI officer Sethurama Iyer, showcasing his trademark calm and intelligence.

Mukesh: Provides solid support as a colleague, adding depth to the investigative team.

Jagathy Sreekumar: Delivers a balanced performance, contributing moments of lightness without detracting from the thriller tone.

Navya Nair: Offers a restrained and fitting role that complements the main narrative.