This is a British psychological thriller/horror film directed by Sebastian Godwin. While originally in English, "fan-dubbed" versions are unofficial recordings made by independent creators rather than official studio releases.

A young woman, Holly, travels to the English countryside to meet her fiancé’s children for the first time. Upon arrival, they find his ex-wife is missing, and the children begin behaving in increasingly strange and violent ways. Runtime: Approximately 71 minutes.

Stars Aisling Loftus as Holly and Tom Goodman-Hill as Richard.

There appear to be two different films titled released around the same time period. Based on your search for a "Hindi Fan Dubbed" version, you are likely looking for the 2021 British horror film, though there is also a major 2025 Hindi-language film of the same name. 1. Homebound (2021) - British Horror Film

There is also a highly acclaimed Hindi film titled (sometimes referred to as the 2025 release) directed by Neeraj Ghaywan. This is an official Hindi-language production and not a dub.