The Indian Regional Navigation Satellite System (IRNSS) has been accepted as a component of the World-Wide Radio Navigation System by the International Maritime Organisation (IMO) for its operation in the Indian Ocean Region.
This will enable the vessels to use IRNSS to obtain position information similar to GLONASS and GPS.
The navigation system up to 1,500 km in the Indian Ocean waters can now replace GPS.
The operational name of IRNSS is NavIC.
It has eight constellations in its orbit.
However, IRNSS is only a regional navigational system and not a global navigational system.
India has now become the fourth country in the world to have independent regional satellite navigation system after US, Russia and China.