"Insidious" is a 2011 American supernatural horror film directed by James Wan. The movie follows a family who moves into a new home, only to discover that it may be haunted. The film was a huge success globally, including in India, where it was released with a Hindi-English dubbed version. Dubbing is a common practice in the Indian film industry, where movies are often dubbed into multiple languages, including Hindi, to cater to a broader audience.