In India, 70 percent of the electricity generated is from coal based thermal plants. Indian coal is of low grade with ash content of the order of 30-45 % in comparison to imported coals which have low ash content of the order of 10-15%. 75 percent of this coal would go to thermal power plants and large quantities of fly ash, a residue of burning of pulverized coal and lignite is, thus being generated at Power Stations in the country, which not only requires large areas of precious land for its disposal but is also one of the sources of pollution of both air and water. The management of fly ash has been troublesome in view of its disposal.