Platforms like Vudu, Apple TV, and Amazon offer "High Definition" and sometimes "4K UHD" versions that come very close to the Blu-ray standard without the risk of visiting unverified sites.
As for the availability of the movie, I couldn't verify if it's currently available on the website you mentioned (www1tamilmvcz). However, I would like to remind users that streaming or downloading copyrighted content from unauthorized sources may be against the law in some countries. www1tamilmvcz after earth 2013 bluray full