Khadaan (transl. Coal Mine) is a 2024 Indian Bengali-language action thriller film written and directed by Soojit Rino Dutta. Produced by Nispal Singh and Dev under the banners of Surinder Films and Dev Entertainment Ventures respectively, the film stars Dev in dual roles, alongside Jisshu Sengupta in the lead, with an ensemble cast of Anirban Chakrabarti, Barkha Bisht, Idhika Paul, John Bhattacharya, Partha Sarathi Chakraborty, Sneha Bose, Sujan Neel Mukherjee, Sumit Ganguly and Raja Dutta. In the film, an ordinary fair organizer from a coal mine near the Damodar Valley, is recruited by his dead father's like-minded friend to be a partner in his coal syndicate, and there the former discovers the truth on some unfolded events.

The film was officially announced in January 2024 with a character motion poster. Principal photography commenced in February 2024 in Kolkata, with the major filming taking place in Asansol, Durgapur and Raniganj in subsequent schedules. The soundtrack of the film is composed by Rathijit Bhattacharjee, Savvy and Nilayan Chatterjee, while Bhattacharjee himself provides its score. The screenplay and dialogues of the film are written by Biswaroop Biswas and Dutta respectively. Shailesh Awashthi handled its cinematography and MD. Kalam did the editing. The film marks Dev's debut as creative director and a comeback to the action genre after a few years.

Khadaan was released in the theatres on 20 December 2024, on the eve of Christmas, to positive reviews from critics and audience alike with specific appraisals of its cast performances, direction, script, action sequences, and musical score. The film set several box-office records for a Bengali film, overtaking those set by Dev starrer Chander Pahar (2013). Grossing over ₹24 crore, it emerged as the highest grossing Bengali film of 2024 and the second highest grossing Bengali film.