Amazon Prime holds the digital rights in India. You can rent the movie for ~₹50-100 and select audio in the settings. The quality is 4K HDR.

For the best experience, watch Interstellar on official platforms where high-quality subtitles are available:

Christopher Nolan's visually stunning masterpiece, "Interstellar," has captivated audiences worldwide with its thought-provoking themes and groundbreaking cinematic experience. The film's exploration of wormhole travel, black holes, and the search for a new habitable planet has sparked intense debate and discussion among viewers. For Hindi-speaking audiences, the good news is that "Interstellar" is available with a Hindi dubbed version, making it more accessible to a broader audience.