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ISRO launches India's fourth navigational satellite from Sriharikota
March 28, 2015
India has successfully launched its satellite IRNSS-1D from Sriharikota onboard workhorse PSLV-C27 to pave the way for the country's own navigation system on par with the GPS of US.
IRNSS-1D is the fourth in the series of seven satellites, planned by ISRO to put in place the Indian Regional Navigation Satellite System (IRNSS), currently under development.