Navigation System by ISRO

Indian Space Research Organisation is developing its own navigation system called Indian Regional Navigation Satellite System (IRNSS). The IRNSS will have a constellation of 7 satellites and complementary ground infrastructure. The IRNSS system is planned to be made operational by end of 2014. Government has approved the IRNSS project at a total cost of Rs. 1420.00 crores in May 2006 for both space and ground infrastructure.