World Unani Day is observed on February 11 every year. It is celebrated on the birth anniversary of great Unani scholar and social reformer Hakim Ajmal Khan. He was the Unani medical educationist and founder of scientific research in the Unani System of Medicine. The day is marked to spread awareness about health care delivery through the Unani system of medicine. It is a preventive and curative philosophy that has been used in India for many years. Today, our country is one of the leading countries as far as the practice of Unani medicine which was introduced in India by the Arabs and Persians.