Which is the most abundantly available fossil fuel in India?

Abundantly available fossil fuel in India is Coal.

1. Peat has low carbon and high moisture content and low heating capacity.
2. Lignite- is a low-grade brown coal which is soft with high moisture content. It is used for generating electricity.
3. Bituminous- is the most popular coal of commercial use. It has a special value for smelting iron in blast furnaces.
4. Anthracite- is the highest quality hard coal.