GAGAN refers to GPS Aided Geo Augmented Navigation System is a satellite based navigation system developed by Indian Space Research Organization (ISRO), in collaboration with Airports Authority of India. The system provides precise and accurate information related to the geo spatial location of the aircrafts in terms of latitude, longitude and height, along with the parameters like time and velocity. The aim of GAGAN System is to provide excellent navigation facilities for the aviation industry in the country. The coverage area of the services includes the whole of India and extends over Bay of Bengal, South East Asia, Middle East and reached up to Africa. GAGAN was launched on Monday, 13th July, 2015, by Ashok Gajapathi Raju, the Civil Aviation Minister, with the purpose of enhancing the efficiency of the airline operations in India and also bringing down the costs.