India holds 107,727 million tons (MMst) of proven coal reserves as of 2016, ranking #5 in the world and accounting for about 9.45% of the world's total coal reserves of 1,139,471 million tons (MMst).
India has proven reserves equivalent to 111.5 times its annual consumption levels. This means tit has about 111 years of coal left (at current consumption levels and excluding unproven reserves).