They might not have access to legal streaming services in their region. Suggesting services like Netflix, Amazon Prime, or others that could possibly have the movie, and maybe ways to check availability depending on their location, could be helpful. Also, suggesting public domain or free-to-watch platforms if applicable, though with older movies, public domain status varies by country.
The 1998 film is a landmark psychological thriller in Indian cinema that transitioned Kajol from a romantic lead into a powerhouse performer. Directed by Tanuja Chandra index of dushman 1998 free