Sai Pallavi is stepping into a determined police officer’s role in OM: Chapter 1 – Udhiram: The Blood Wood, the upcoming action drama starring Dhanush and Mammootty. The filmmakers have unveiled a special glimpse introducing her character, Nithya Reddy, who takes charge of a major operation against the illegal trade in red sandalwood.
Directed by Rajkumar Periasamy, the film brings together a prominent cast from Tamil, Malayalam and Hindi cinema. Sai Pallavi’s latest character reveal adds another layer of intrigue to the project, which is scheduled to arrive in theatres worldwide on November 20, 2026.
Sai Pallavi Introduced as Officer Nithya Reddy
The new glimpse introduces Sai Pallavi as Nithya Reddy, a capable officer whose professional journey is shaped by her father’s legacy. The character is presented as a determined woman committed to justice and the protection of nature. According to the character introduction, Nithya is the daughter of a martyred Indian Forest Service officer. She previously served in the Andhra Pradesh police cadre as an Assistant Superintendent of Police before moving to the Central Bureau of Investigation as an Additional Superintendent of Police, where she works with Interpol.
Her latest assignment centres on tackling the illegal trade in valuable red sandalwood. Nithya names the mission Operation OM, setting the stage for a high-stakes investigation that connects directly with the film’s central conflict. The glimpse, which runs for approximately 1 minute and 42 seconds, gives viewers an introduction to her character and professional background without revealing the complete storyline.
Operation OM Targets Illegal Red Sandalwood Trade
The new promotional video offers a clearer indication of the conflict driving the film. Illegal red sandalwood trading forms a key part of the story, placing law enforcement officers against those involved in the lucrative and dangerous business. Earlier promotional material suggested that Dhanush plays a woodcutter whose life becomes connected to the conflict surrounding illegal logging. The story features police operations against people involved in cutting red sandalwood, hinting at a tense confrontation between different sides.
With Nithya Reddy now introduced as an officer leading a major operation, Sai Pallavi’s character appears to occupy an important position in this larger narrative. However, the precise relationship between her investigation and Dhanush’s character has not been fully revealed. The film’s environmental angle also gives the action drama a broader backdrop, with the protection of valuable forest resources forming part of the stakes.
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Dhanush and Mammootty Lead an Ensemble Cast
OM: Chapter 1 – Udhiram: The Blood Wood marks the first collaboration between Dhanush and Malayalam superstar Mammootty. Mammootty plays Karthikeyan, while Dhanush takes the lead in the action-driven story. Alongside Sai Pallavi, the cast includes Sreeleela and Naseeruddin Shah in significant roles. The combination of performers from different film industries has helped generate interest in the project ahead of its theatrical release.
Rajkumar Periasamy, known for directing Amaran, has written and directed the film. Dhanush is also producing it under his Wunderbar Films banner, alongside Shraddha Agrawal and Azmat Jagmag, with RTake Studios backing the project. Sai Abhyankkar has composed the music, while Ezhil Arasu K handles cinematography and R. Kalaivanan is the editor. The film is planned as the first instalment of a two-part franchise, with its Chapter 1 subtitle suggesting that the story may extend beyond a single film.
OM Chapter 1 Gets a November 20 Release Date
The makers have confirmed that OM: Chapter 1 – Udhiram: The Blood Wood will release in theatres worldwide on November 20, 2026. The film was initially scheduled to arrive on October 16, but its release was postponed. Dhanush previously explained that the team decided against releasing the film close to Rajinikanth’s Jailer 2, which was scheduled for October 15. The makers also moved away from the Diwali period after Suriya’s Scene had secured a release date in that window.
The revised schedule gives the action drama a new theatrical window as its promotional campaign continues with individual character reveals. Sai Pallavi’s introduction as Nithya Reddy is an important step in that campaign, offering audiences a glimpse of the officer at the centre of Operation OM. More details about the investigation, the other characters and the film’s action sequences are expected to emerge as the release approaches.
Final Take
Sai Pallavi takes on a fresh role as officer Nithya Reddy in OM: Chapter 1 – Udhiram: The Blood Wood, leading Operation OM against the illegal red sandalwood trade. With Dhanush and Mammootty heading the cast and Rajkumar Periasamy directing, the film combines an investigative conflict with large-scale action. The first instalment is scheduled for a worldwide theatrical release on November 20, 2026.
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