Yes. India has GAGAN (GPS Aided Geo-Augmented Navigation)[1][2] to augment GPS accuracy, similar to EGNOS and WAAS. Apart from this, there's IRNSS (Indian Regio

Yes. India has GAGAN (GPS Aided Geo-Augmented Navigation)[1][2] to augment GPS accuracy, similar to EGNOS and WAAS. Apart from this, there's IRNSS (Indian Regional Navigational Satellite System)[3], which is an indigenous satellite navigation system independent of GPS. [1]http://gpsworld.com/gagan-certified-for-aviation-in-india/ http://gpsworld.com/gagan-certified-for-aviation-in-india/ [2]http://www.isro.org/pressrelease/scripts/pressreleasein.aspx?Jan03_2014 http://www.isro.org/pressrelease/scripts/pressreleasein.aspx... [3]http://en.wikipedia.org/wiki/Indian_Regional_Navigational_Satellite_System http://en.wikipedia.org/wiki/Indian_Regional_Navigational_Sa...