Over 97 per cent of coal reserves occur in certain areas in India. Which of the following area is not covered in these areas?
Answer & explanation
Correct answer: option 4
The correct answer is Option 4: Valley of Krishna
NCERT: "Most of the metallic minerals in India occur in the peninsular plateau region in the old crystalline rocks. Over 97 per cent of coal reserves occur in the valleys of Damodar, Sone, Mahanadi and Godavari."