What does GAGAN mean in the context of display-based navigation ?

(a) Global Aeronautical GPS Augmented Network

(b) GPS Assisted Geo Augmentation Network

(c) Global Aviation GEO Augmentation Navigation

(d) GPS Aided Geo Enhanced Navigation  

Ans.(d)

Sol. GAGAN stands for GPS Aided GEO Augmented Navigation. It is a space-based augmentation system used for providing enhanced navigational services.