The word "pun" has been stretched on this mailing list to mean not just a joke based on words with different meanings that sound alike, but to any joke in the vocabulary at all, but this is surely not even that. The names of Earth countries in Klingon are frequently their names in one of its native or official languages, which is exactly what "Bharat" is. It's neither hidden nor intended to be a joke.

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De'vID