Here's a roundup of seven riveting Hindi films adapted from thriller novels:

1. Johnny Gaddaar
   Sriram Raghavan’s 2007 neo-noir crime thriller is an uncredited adaptation of Alain Reynaud-Fourton's French novel Les Mystifiés, following a heist that goes horribly wrong.

2. Khufiya
   Directed by Vishal Bhardwaj, this 2023 spy thriller is based on Amar Bhushan’s espionage novel Escape to Nowhere. It centers on RAW agent’s pursuit of a mole, with Tabu in the lead.

3. Jaane Jaan
   Netflix's 2023 release adapts Keigo Higashino’s Japanese novel The Devotion of Suspect X. Kareena Kapoor stars as a mother caught in a murder plot, supported by Jaideep Ahlawat and Vijay Varma.

4. 7 Khoon Maaf
   Vishal Bhardwaj's 2011 dark thriller brings to life Ruskin Bond's short story Susanna’s Seven Husbands, tracing Susanna’s string of murderous marriages.

5. Haseen Dillruba
   Though original in script, this 2021 Netflix hit incorporates classic suspense-thriller tropes, chronicling a wife's entanglement in her husband's death investigation.

6. Talaash: The Answer Lies Within
   Starring Aamir Khan, this 2012 psychological crime thriller isn’t novel-based but delivers gripping mystery and emotional depth.

7. Kahaani
   Vidya Balan’s 2012 mystery thriller, while not directly novel-based, is celebrated for its tight script and twisty narrative—often featured in top suspense film lists.