Dr. Deepak Sharan is very knowledgeable person and his hand in surgery is very clear. He has done many successful surgery. And you are talking about negative comment/feedback.
I think this type of comment can be given by the person who is very disappointed in his life and they have never achieved in their life just because of they are not flexible and negative thoughts. They can not stay or work for more than a month at one place because of their behavior and they are talking about an organization.
I am asking if a person does not stay or work for more than a year how they can know about an organization in better way? They do not have he right to say anything good or bad about an organization.