However, it has to be borne in mind that modern mining operations are highly mechanised.

Four operational areas of Central Coalfields are marked on the map.

[1][2][3] Note: The map alongside presents some of the notable locations in the district.

[4] According to the 2011 Census of India, Chalkusa had a total population of 4,150, of which 2,194 (53%) were males and 1,956 (47%) were females.

The total number of literate persons in Chalkusa was 2,285 (68.11% of the population over 6 years).