Everyone who has said something negative about him on this thread are the most close-minded people this universe has to offer.
Sadhguru teaches how one can realize the true essence of themselves as well as be a mentor for every day life. He teaches yog which is the practical science of the union with the self.
And no he doesn't have links with the government or try and promote Hindu beliefs. His videos are not even about anything Hindu related and all his explanations point to spirituality.
All he ever teaches is how you can reach spiritual enlightenment and you are judging him