ISRO has developed a satellite-based navigation system to help aid air traffic from Southeast Asia to Africa.
Indian Space Research Organization has launched GAGAN or the GPS Aided Geo Augmented Navigation which will help the civil aviation sector as well as help in marine navigation, search and rescue operations, rail and road transport, survey and mapping as well as precision farming.
GAGAN is based on a constellation of 24 satellites positioned in six earth-centered orbital planes and will provide seamless coverage of air traffic from south Asia to Africa and connect to the systems of Europe and Japan. GAGAN is a joint initiative of the Airports Authority of India (AAI) and Indian Space Research Organization (ISRO) and was launched by Civil Aviation Minister Praful Patel. According to officials this system will help in providing enhanced safety features for the airlines as they would be able to have precision approach guidance towards runways in any weather conditions.
At present only countries like the United States, European Union and Japan have such a system.