While I understand the temptation to download movies from unauthorized sources, I encourage you to opt for legitimate streaming services that support the creators and the film industry.
No. There is no legal free source for the complete Hindi-dubbed Twilight saga. Occasionally, TV channels like Sony MAX or &Prive HD air them, but not on-demand for download. twilight all parts in hindi download filmyzilla top
Many "Dual Audio" (Hindi/English) files exist on archive sites like Khatrimaza Dailymotion: twilight all parts in hindi download filmyzilla top