These Indian South crime thrillers provide audiences with intriguing storylines, well-told, suspenseful tales, and memorable performances for fans of the thriller genre. Here is an inventory of the ten must-watch movies.
1. Cold Case
- IMDb Rating: 6.1/10
- Director: Tanu Balak
- Streaming On: Prime Video
Plot: Cold Case is a supernatural crime thriller that unravels the mystery behind an unsolved murder that happened years ago. It has elements of supernatural mixed with an interesting murder mystery.

2. Saani Kaayidham
- IMDb Rating: 7.4/10
- Director: Arun Matheswaran
- Streaming On: Prime Video
Plot: This Tamil crime thriller revolves around a mother’s quest for revenge after his daughter suffers grave injustice. The story is intense and emotionally charged showing how far a mother can go to get justice done.

3. Ratsasan
- IMDb Rating: 8.3/10
- Director: Ram Kumar
- Streaming On: Prime Video
Plot: Ratsasan is an attractive psychological thriller set in Tamil where Vishnu Vishal as a troubled cop investigates brutal murders committed by a serial killer who plays mind games with him throughout the film. This movie employs dark narrative punctuated by suspense hence it keeps one at the sting of his/her seat until the top.

4. HIT – The First Case
- IMDb Rating: 7.6/10
- Director: Sailesh Kolanu
- Streaming On: Prime Video
Plot: This movie is about an important missing individuals case which fits from being easy to complex while facing the dark truth behind it. HIT -1 is an attractive thriller that digs into crime-solving intricacies.

5. Thupparivaalan
- IMDb Rating: 7.5/10
- Director: Mysskin
- Streaming On: Prime Video
Plot: Tamil ‘detective’ thriller, Thupparivaalan, features Vishal as a pointy private investigator who takes on a mysterious criminal plot. The movie carries with it the spirit of Sherlock Holmes featuring its smart twists and detective work.

6. Drishyam
- IMDb Rating: 8.4/10
- Director: Jeethu Joseph
- Streaming On: JioHotstar
Plot: The film Drishyam stars Mohanlal as a cable operator who finds himself caught up in lies and cover-ups that he has created for his family after they by chance witness a murder.

7. Yashoda
- IMDb Rating: 6.5/10
- Director: Hareesh Narayan, K. Hari Shankar
- Streaming On: Prime Video
Plot: This film has Samantha because the leading lady. This film is a psychological Telegu thriller a couple of dysfunctional family with secrets. The film explores crime psychology combined with domestic issues.

8. Jana Gana Mana
- IMDb Rating: 8.3/10
- Director: Dijo Jose Antony
- Streaming On: Netflix
Plot: Starring Prithviraj Sukumaran, Jana Gana Mana combines elements of courtroom drama, political intrigue, and motion to create an enthralling piece of cinema. It’s about justice and morality.

9. Ela Veezha Poonchira
- IMDb Rating: 7.3/10
- Director: Shahi Kabir
- Streaming On: Prime Video
Plot: A Malayalam mystery thriller revolving around uncovering the mystery of how someone was killed in a rural village; this story unfolds amidst intriguing turns of events. Ela Veezha Poonchira provides an interesting tale set within the countryside characterised by intricate plot developments.

10. Kavaludaari
- IMDb Rating: 7.9/10
- Director: Hemanth Rao
- Streaming On: Prime Video
Plot: Kavaludaari is a Kannada crime movie where two bizarre men, a traffic cop and a retired inspector, share a typical goal – to bring the reality to light on what gave the impression of an bizarre hit-and-run accident. The opposite events resulting in the climax are very deep and involve quite a lot of detective work.

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