Sriharikota: The Indian Space Research Organisation (ISRO) on Friday successfully launched NVS-03, the latest addition to India’s indigenous satellite navigation system, marking another step towards strengthening the country’s independent navigation and precision timekeeping capabilities.
The satellite was carried aboard a Geosynchronous Satellite Launch Vehicle (GSLV), which lifted off from the second launch pad at the Satish Dhawan Space Centre in Sriharikota.
NVS-03 will become part of the Navigation with Indian Constellation (NavIC), India’s homegrown alternative to the US-operated Global Positioning System (GPS). The satellite is expected to improve the reach and reliability of NavIC while expanding its compatibility with civilian navigation devices.
One of the key features of NVS-03 is an indigenous Rubidium atomic clock developed by ISRO’s Space Applications Centre. The satellite will broadcast navigation signals across the L1, L5 and S bands, with the addition of the L1 frequency making NavIC accessible to modern civilian smartphones and wearable devices equipped with compatible chipsets.
Beyond navigation, the satellite’s atomic clock will play an important role in providing highly accurate time signals. Precision timekeeping is critical for several sectors, including banking, financial markets, telecommunications and defence, where even minor differences in synchronisation can disrupt operations.
The launch also comes amid India’s efforts to reduce its dependence on foreign satellite-based timing systems and establish an independent infrastructure for maintaining Indian Standard Time (IST).
In June 2025, the government announced plans to move away from GPS-based timekeeping and introduce a domestic network powered by five atomic clocks installed in Guwahati, Bengaluru, Ahmedabad, Faridabad and Bhubaneswar.
The government had said the clocks had undergone testing and that the system would be made operational soon. Once implemented, banks and businesses would also be required to synchronise their operations with the indigenous timekeeping network.
With NVS-03 joining the NavIC constellation, India is seeking to strengthen its strategic autonomy in satellite navigation, improve access to indigenous positioning services and build a reliable domestic framework for precision timing.
