A specialized military training institution focused on educating and training officers in the defence services.

रक्षा सेवाओं के अधिकारी प्रशिक्षण संस्थान

English Usage: He was recently promoted after graduating from the Defence Services Staff College.

Hindi Usage: रक्षा सेवाएं स्टाफ कॉलेज से स्नातक करने के बाद उसे हाल ही में पदोन्नति मिली।