Manjummel Boys is a 2024 Indian Malayalam-language survival thriller film written and directed by Chidambaram. It is produced by Soubin Shahir, Babu Shahir and Shawn Antony under Parava Films is based on a real story. The film stars an ensemble cast, which includes Soubin Shahir, Sreenath Bhasi, Balu Varghese, Ganapathi S. Poduval, Lal Jr., Deepak Parambol, Abhiram Radhakrishnan, Arun Kurian, Khalid Rahman and Shebin Benson. It is based on a Guna Caves rescue in 2006. The film follows a group of friends from a small locality called Manjummel in Kochi, who decide to have a vacation in Kodaikanal, which is affected when one of them becomes trapped in the Guna Caves.

The project was announced in January 2023. Principal photography commenced on 26 January 2023 and was concluded on 17 July. The film was shot across the locations; Kodaikanal, Kochi and Perumbavoor. Some parts of the film was shot at Guna Cave Itself. The film has music composed by Sushin Shyam, cinematography by Shyju Khalid and editing by Vivek Harshan.

The film was theatrically released on 22 February 2024 in Kerala and Tamil Nadu. Manjummel Boys received positive reviews from critics with praise for its technical aspects, acting, script and direction. Though it was given with positive reviews in it's theatrical run , it received lukewarm reviews from its OTT release. It became the first film in the Malayalam cinema to earn more than ₹200 crore, and set several box-office records, becoming the highest grossing Malayalam film ever, overtaking 2018. It also emerged as the highest-grossing Indian films of 2024.