Multiple choice

Which of the following coal fields are the oldest coal fields in India?

  1. Gondwana coal fields

  2. Tertiary coal fields

  3. Primary coal fields

  4. Secondary coal fields

  5. None of these

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A Correct answer
Explanation

Gondwana coal fields are the oldest coal fields in the world. These coal fields are about 250 million years old. These coal fields occur mostly in river valleys such as Damodar, Mahanadi, Son, Godavari, Wardha and Narmada.