They are specifically looking for the Tamil-dubbed version of Hollywood hits, which can sometimes be harder to find on standard platforms compared to the original English versions.
If you are downloading this from a site like iSaidub or iBOMMA, you are likely watching the Tamil dubbed version. Here is what to expect regarding the experience: isaidub gravity tamil
The Spectacle of Survival: An Analysis of Gravity (Tamil Dubbed) They are specifically looking for the Tamil-dubbed version
Piracy is illegal and harms the film industry by stealing revenue from creators, actors, technicians, and distributors. isaidub gravity tamil