Watch the original English version with Hindi subtitles. Or, keep an eye on Indian OTT aggregators. Occasionally, Netflix licenses older films to third-party TV channels (like Sony or &flix), who create their own dubs.
Yes, there are traces of unofficial Spectral 2016 Hindi dubbed work . Small fan groups have attempted to create "fan dubs" using home recording equipment or AI voice cloning. spectral 2016 hindi dubbed work