Mohanlal unveiled the first look poster for his upcoming film 'Athimanoharam' during Onam. He will be seen as Sub Inspector TS Lovelajan in this new movie. Meera Jasmine also stars in the film, reuniting with Mohanlal after many years. The movie combines police procedural elements with a family drama storyline. 'Athimanoharam' is scheduled for a December 24…