Downloading or streaming copyrighted content from unofficial sources is illegal in most countries, including India (under the Copyright Act, 1957) and the USA. While authorities often target uploaders, users are not completely immune to fines or ISP warnings.
A standard high-quality movie file is usually between 800MB and 1.5GB.
As of the last update, Journey 2: The Mysterious Island is often available on Amazon Prime Video. You can select the audio track option and choose . If it is not included for free with your Prime subscription, it is usually available for a small rental fee (around ₹50-₹100 in India).