* Defence Research And Development Organisation ( DRDO) Has CARRIED OUT The Successful Flight Trial Of Indigenously Developed High Altitude Platform ( HAPS)
* Developed By ADRDE, Agra (21 km Above Sea Level)
* The High Altitude Platform, a Lighter Than Air Systems As Long As Endurance Stratosphere Aerial Surveillance Platform Designed By ADRDE ( Aerial Delivery Research And Development Establishment)
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