This UAS4 has been named as ABHAY_4R4. This UAS4 is High/Low altitude Vertical Take-Off & Landing capable Autonomous UAV. It is specifically designed for Aerial Surveillance and Survey. Keeping in mind the compactness and low need of infrastructure, this capability and modularity gives it an edge over existing low weight UAVs. The entire system including GCS can be packed in 1 Backpack/ Transportation Box and can be assembled within 5 mins to flight ready status for mission.