demonstration officer इन हिंदी

demonstration: प्रकट करना ज़ाहिर

officer: अफसर ओहदेदार

demonstration evacuation of casualties	demonstration farm	demonstration lesson
demonstration of characteristics	demonstration of modern techniques	demonstration phase
demonstration plant	demonstration school	demonstration strike

अंग्रेज़ी→नहीं। नहीं।→अंग्रेज़ी