India's only gold mine Kolar is in
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Karnataka
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A.P
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U.P
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Maharashtra
A
Correct answer
Explanation
The Kolar Gold Fields (KGF) in Karnataka was indeed India's only operating gold mine until its closure in 2001 due to depletion and economic reasons. It was one of the world's deepest gold mines and a major source of gold for over a century. The mine is historically significant to India's mining heritage.