September brought a mix of dark mysteries, revenge stories, crime dramas and high-stakes thrillers across OTT platforms. From Shaque: Trust No One and Hunkkaar: The Roar to Gandhari and Toxic, these Indian releases offer very different kinds of tension and drama.
10 Best Indian Thrillers of September 2026
1. Shaque: Trust No One (Netflix)
Nine years after her newborn daughter vanished from a hospital, a mother is still unable to stop searching for answers. Her fading hope returns when new photographs appear to show that the missing child may still be alive. The discovery sends her back into the mystery and makes her question whether people closest to her have been hiding something.
2. Hunkkaar: The Roar (JioHotstar)
Seventeen-year-old Meenu Rawat makes a serious allegation against Baapji, a respected cult leader with enormous influence over his followers. Her accusation triggers an investigation that begins looking beyond one incident and into the power surrounding him. Aneet Padda plays Meenu, while Fatima Sana Shaikh appears as the police officer drawn into the case.
3. Mango Pachcha (JioHotstar)
Prashanth, better known as Pachcha, begins as the owner of a video-rental shop in Mysuru before taking control of his late father’s secret marijuana-smuggling business. Support from a corrupt mayor helps him grow the operation quickly, but greater success also pulls him deeper into organised crime. His rising ambition soon places him in a world where power comes with serious danger.
4. Toxic (ZEE5)
Raya rises through Goa’s criminal underworld and builds a powerful drug empire alongside his sister Ganga as Portuguese rule begins to collapse. His growing power is soon threatened by violent betrayals, emotional scars and his relationship with circus performer Nadia. The gangster story eventually expands into a bitter family conflict involving revenge and the consequences of Raya’s past.
5. Gandhari (Netflix)
Bani loses her eyesight while trying to save her daughter from a trafficking network operating aboard a train. Refusing to let her disability end the search, she trains herself to survive without sight and prepares to enter the criminal world connected to her daughter’s disappearance. Taapsee Pannu leads this revenge story driven by a mother’s grief, anger and determination.
6. Ghamasaan (ZEE5)
STF officer Aditya begins pursuing feared dacoit Maharaj across the dangerous terrain of Bundelkhand. What looks like a simple hunt for a criminal gradually reveals corruption, political influence and competing forces trying to control the situation. The case becomes more complicated as Aditya realises the real problem may be much larger than the man he is chasing.
7. Dhamaal 4 (Netflix)
Guddu, Lallan, Adi and Manav are pulled into another wild treasure hunt after learning about the hidden fortune of Shaitaan Singh. Their plans become even more chaotic when pirate Adhoora scatters pieces of the treasure map and several rival groups join the race. The search eventually leads everyone towards a mysterious island filled with competition, confusion and comic disaster.
8. Modha Rathiri (Netflix)
Two strangers meet at an unusual wedding and soon find themselves trapped in a night filled with unexpected surprises. A series of lies quickly turns the celebration into confusion and chaos, with every new development making the situation harder to control. By the time the night ends, both of their lives have changed in ways neither expected.
9. Magudam (Prime Video)
Kirubakaran is a middle-class medical representative trying to build a peaceful life with his wife Jamuna and their children when a personal tragedy destroys everything. The crisis pushes him back towards Linga, his estranged father and a powerful gangster controlling the Visakhapatnam port. As Kirubakaran enters this violent world seeking revenge, long-hidden family secrets begin coming to the surface.
From missing-person mysteries and revenge journeys to gang wars and political crime, these September thrillers offer plenty of tense and dramatic stories to stream.