Nirakkoottu stands out as a gripping thriller with a tightly woven screenplay that maintains suspense throughout its runtime. The story is well-constructed, balancing investigative drama with emotional depth, which keeps the audience engaged from start to finish.

The pacing is deliberate, with the first half setting up the characters and the mystery effectively, while the second half intensifies the drama and delivers a satisfying climax. The screenplay by Joshiy ensures that the narrative flows smoothly without unnecessary digressions.

Though the film lacks a dedicated music director credit, the background score and songs complement the mood and tone of the movie well, enhancing the tension and emotional moments without overpowering the scenes. Vipin Das's cinematography captures the gritty and somber atmosphere, adding to the film's immersive experience.

Overall, Nirakkoottu is a well-executed thriller that combines strong storytelling, solid performances, and technical finesse, making it a memorable entry in Malayalam cinema of the 1980s.

Mammootty: Powerful and nuanced portrayal of the journalist, anchoring the film with intensity and emotional depth.

Sumalatha: Convincing and heartfelt, providing a strong emotional counterpoint to the lead.

Urvashi: Effective in a supporting role, adding layers to the narrative.

Lissy: Notable performance contributing to the film's emotional texture.