The flight reached 21 kilometres above sea level
Maintained 20 kilometres altitude for over 30 minutes
Equipped with cameras, a Global Positioning System and motion sensors
Monitored in real time by ground controllers and Indian air officials
The balloon went up to 21 kilometres, which is higher than most planes.
It stayed up for more than half an hour, sending video and location data back to the ground.
The successful test shows India can create its own long‑lasting high‑altitude aircraft.
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