Standard definition; small file size; best for mobile phones.

Full HD; largest file size; best for large monitors and TVs. HEVC & x264 Encodings:

The standard compression format; highly compatible with almost all devices.

This indicates the file includes two separate audio tracks. You can switch between the original English and a Hindi dub. The "5.1 DD" signifies Dolby Digital surround sound , providing a cinematic audio experience.

High definition; balanced size and quality; good for tablets/laptops.