Which one among the following statements regarding India's coal is not correct?
A
98 percent of reserves of coal in India belongs to Gondwana period
B
Unknown amount of coal lies buried under the Ganga alluvium and the Deccan Trap
C
Bituminous coal is found in both lower Gondwana rocks and in Tertiary rocks
D
Gondwana coal is mainly found in the river valleys of Damodar, Mahanadi and Godavari
Correct Answer: Bituminous coal is found in both lower Gondwana rocks and in Tertiary rocks
Bituminous coal is found only in Gondwana rocks.