A: No. Blu-Ray is superior (bitrate up to 40 Mbps). "Hot" usually refers to a Web-DL (streaming rip) that has been re-encoded with the Hindi track. It is the best available version for Hindi fans, not the absolute best visual.
Currently, Indian viewers can stream the original version in high quality on these platforms: JioHotstar : Offers all 22 episodes of Season 1. prison break season 1 hindi dubbed extra quality hot