A senior official responsible for managing and overseeing training operations related to ground activities.

जमीनी प्रशिक्षण से संबंधित कार्यों के प्रबंधन और देखरेख करने वाला वरिष्ठ अधिकारी।

English Usage: The deputy director of ground training ensured that all training sessions were conducted efficiently and safely.

Hindi Usage: जमीनी प्रशिक्षण के उपनिदेशक ने सुनिश्चित किया कि सभी प्रशिक्षण सत्र प्रभावी और सुरक्षित रूप से संचालित हों।