How to know if a Guru is good or bad?

First of all you must see what sort of a disciple they have. Those who say, “We are doing something,” you should find out what are the kind of people that are following. Because they are some cinema actors and cinema actresses, it doesn’t mean that they are sane or they are wise people. What have they got, is the point. What powers have they got? As self realized people what powers they have got and what transformation they have gone through. What is the new awareness they have got?