World Unani Day has observed every year on 11th February. The main objective of World Unani Day is to spread awareness about health care delivery through the Unani system of medicine through its preventive and curative philosophy. This day is celebrated every year to mark the birth anniversary of great Unani scholar and social reformer Hakim Ajmal Khan. The first Unani Day was celebrated in 2017 at Central Research Institute of Unani Medicine (CRIUM), Hyderabad.