These platforms often host Fury Road and Furiosa with multiple audio tracks, including Tamil . You can choose to "Download to Watch Offline" within their respective apps.
While the original 1970s/80s Mel Gibson films ( Mad Max, The Road Warrior, Beyond Thunderdome ) were not originally dubbed in Tamil for theaters, fan-made dubs or TV-aired versions occasionally surface on cable. Where to Watch/Download Legally Tamil Dubbed Movies Download For Mad Max