My God! Thanks for sharing this. While seeing some unauthorised cIips of the Hindi version of this movie shared by some random pages on Facebook, I thought they used AI to do this. But now after seeing this I'm convinced.
All this while his voice was being dubbed by someone else. This is for the first time he dubbed on his own for the Hindi version, thus making him the second Telugu actor to do so after Ravi Teja did the same for his film Tiger Nageswara Rao.