The healthcare sector in India is one of the largest in terms of revenue and employment, and includes hospitals, medical devices, clinical trials, outsourcing, telemedicine, medical tourism, health insurance and medical equipment. The sector is growing due to increasing expenditure by public and private players, and is categorised into public and private healthcare systems. India has a large pool of well-trained medical professionals and is cost competitive compared to other countries, resulting in a rise in medical tourism. The country has also emerged as a hub for R&D activities due to its relatively low cost of clinical research.