The Geosynchronous Satellite Launch Vehicle (GSLV) with the 2,392-kg satellite is scheduled to lift off from the second launch pad of the Satish Dhawan Space Centre in Sriharikota at 5.40 p.m. IST on Wednesday (July 30, 2025), as the countdown of theNISAR satellite mission started at 2.10 p.m. on Tuesday (July 29, 2025).

NASA-ISRO Synthetic Aperture Radar (NISAR) is the first joint satellite of the Indian Space Research Organisation (ISRO) and National Aeronautics and Space Administration (NASA).

Also read: What makes the NASA-ISRO NISAR satellite so special? | Explained

About 19 minutes after lift-off, the GSLV-F16 rocket will inject the NISAR satellite into a 743-km sun-synchronous orbit.

The NISAR satellite — NASA-ISRO Synthetic Aperture Radar satellite — will scan the Earth and provide all-weather, day-and-night data at 12-day intervals, and enable a wide range of applications.

Also read: NISAR mission would showcase Indian space engineering on a global scale: Ex-ISRO scientist

Follow the live updates here: