Your best bet to watch the film in Hindi is to check the major streaming services available in India. The availability of language dubs can change, so your first step should always be to check the audio settings directly on the platform.
Amazon Prime India currently offers Sleepy Hollow with both . Prime members can download the movie offline on the mobile app for up to 30 days. This is the safest, highest-quality method to get the film in Hindi. Download Sleepy Hollow -1999- Hindi