As for torrent sites, I would advise against using them to download copyrighted content. Torrent sites often host pirated copies of movies, which can be detrimental to the film industry and may also pose a risk to your device's security.
You can access the full movie in high definition through the following official services: : Available for subscribers on Amazon Prime Video JioHotstar Rent or Buy : Digital copies can be rented or purchased from the Apple TV Store Google Play Movies Physical Media Dum Laga Ke Haisha Download Movie Torrent