PM Narendra Modi congratulated ISRO scientists on the successful launch of the NVS-03 satellite, which bolsters India's indigenous NavIC navigation system and enhances the country's. Prime Minister Narendra Modi congratulated scientists and engineers at ISRO on Saturday after the Geosynchronous Satellite Launch Vehicle (GSLV)- F18 rocket successfully launched the NVS-03. Prime Minister Narendra Modi congratulated ISRO scientists after the successful launch of navigation satellite NVS-03 aboard GSLV-F18.