Which of the following groups accounts for over 90 per cent of India's annual coal production?

[A].	Bihar, Orissa and West Bengal
[B].	Bihar, Orissa and Madhya Pradesh
[C].	Orissa, Madhya Pradesh and Tamil Nadu
[D].	West Bengal, Madhya Pradesh and Tamil Nadu

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.