Netflix allows you to choose your viewing quality based on your plan, including 480p (Mobile) , 720p (Basic) , 1080p (Standard) , and 4K+HDR (Premium) .
Pirate versions often have distorted audio, watermarks, or "cam-rip" quality, even if they claim to be 1080p. Netflix allows you to choose your viewing quality
Currently, there are for Delhi Crime that are legal. For the best experience, you can check out the Official Trailer on YouTube before starting your binge on Netflix. Delhi Crime (TV Series 2019 - IMDb including 480p (Mobile)