The coal mining area of the Damodar Valley is
-
Korba
-
Sambhalpur
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Singareni
-
Raniganj
D
Correct answer
Explanation
The Damodar Valley, spanning Jharkhand and West Bengal, is one of India's major coal mining regions. Raniganj (in West Bengal's Bardhaman district and Jharkhand's Dhanbad district) is the oldest and most important coalfield in this valley. Korba is in Chhattisgarh, Sambhalpur (Sambalpur) in Odisha, and Singareni in Telangana - none are in the Damodar Valley.