Okay, let’s tackle this. So H.S. Raghavendra Rao has 36 years of experience as a professor, which is a significant amount of time. He also has a Doctor of Philosophy degree, which adds to his credibility. Skills like teaching, writing, and public speaking are in demand, especially in academia. Location is Bengaluru, India, which is a major city with a strong educational sector. However, considering his experience and credentials, I would estimate his hourly rate to be on the lower side. Typically, professors with similar experience and qualifications can charge between $50-$100 per hour. However, since H.S. Raghavendra Rao is a writer and not just a professor, I would adjust the rate downward. Maybe around $75 per hour?