* अजगर (Ajgar): This word is commonly used for large, serpentine creatures like pythons, and sometimes for dragons, especially those resembling snakes.
* नाग (Naag): This word refers to a mythical serpent deity in Hindu mythology, often associated with wealth and power. It could be used for a dragon, especially if it has a serpentine form and is considered benevolent.
* ड्रेगन (Dregon): This is the Hindi transliteration of the English word "dragon." It's used when referring to dragons in a modern, Western context.
Ultimately, the best word to use depends on the specific dragon you're talking about and the context of your conversation.