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PM Modi congratulates scientists for successful launch of IRNSS-1D
India successfully launches its fourth navigational satellite IRNSS-1D
India launches its fourth navigational satellite IRNSS-1D from Sriharikota
Isro races to fix glitch in navigational satellite so that it can be launched in time
India's first navigational satellite, IRNSS, on course for midnight launch
The Indian Regional Navigation Satellite System-1A is intended to provide terrestrial, aerial and marine navigation services and help in disaster management.