'Pragyajotishpur' is the old name of
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Lucknow
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Bihar
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Bengal
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Gauhati
D
Correct answer
Explanation
Pragyajotishpur was the ancient name of present-day Guwahati (also spelled Gauhati) in Assam. The name refers to the city's reputation as a center of learning and astronomy. Lucknow, Bihar, and Bengal are different geographical entities with their own historical names.