Fortis Healthcare Limited (FHL) is an Indian multinational chain of private hospitals headquartered in India. Fortis started its health care operations from Mohali, Punjab, where the first Fortis hospital was started. Later on, the hospital chain purchased the healthcare branch of Escorts group and increased its strength in various parts of the country. The Escorts Heart and research Center, Okhla, Delhi became a major operating unit of the chain. Dr. Tehran, the current MD of Medanta and several others have started their career from this institute.