Question

Where coal is expected to play a major role in addressing some of indiaâ€s energy challenges, high grade coal is not available. The most significant characteristic of indian coal is its high ash content, which varies from 35 to 45 %, compared with that of coal in other parts of the world, which is around 15 %. The ash chemistry of indian coal is such that it is high in silica and alumina.

Answer 1

in production of electricity and railway it is used and as we know that high grade coal is not available easily but now every day a lot of coal is extracting from earth for daily purpose in companies and homes