Geography
Name the coalfield that is oldest and one that is largest in India.
Related Questions
Give a geographical reason for each of the following:
Petroleum is called 'liquid gold'.
Give a geographical reason for each of the following:
Natural gas is a fossil fuel.
How is Gondwana coalfield different from tertiary coalfield in terms of location and quality?
(i) Name the varieties of coal found in India.
(ii) Give a characteristic of each type of coal.