Indian Space Research Organisation's workhorse Polar Satellite Launch Vehicle PSLV-C24 placed the IRNSS IB in precise orbit about 19 minutes after a perfect lift-off at 5.14 pm from the Satish Dhawan Space Centre here.
"PSLV, in its 25th successive successful flight, injected IRNSS-1B very precisely. I thank the entire ISRO team that made this major milestone for the country, thus proving again that India's PSLV has a place of pride," a beaming ISRO Chairman K Radhakrishnan announced.
The 1,432 kg satellite would form part of the Indian Regional Navigation Satellite System (IRNSS), an equivalent to Global Positioning System of the US.
The IRNSS 1B is the second of the seven navigational satellite planned by India under the Rs 1,420 crore IRNSS programme.