A facility or location where individuals observe and report activities on the ground, often used in a military or surveillance context.

ज़मीन निरीक्षक केंद्र

English Usage: The ground observer centre was crucial in monitoring enemy movements.

Hindi Usage: दुश्मन की गतिविधियों की निगरानी में ज़मीन निरीक्षक केंद्र महत्वपूर्ण था।