Smriti Kalra, known for her work in TV shows, will be seen alongside Karan Patel in the film 'DarranChhoo'. The film is about facing fears and making them vanish. Kalra stated that she agreed to be a part of the project to reach out to people with this message in a relatable and non-preachy way. She plays the character of Dolly, a spirited girl from Bhopal who loves Bollywood actresses. Kalra observed and interacted with girls similar to Dolly to prepare for the role.