sentences:  The discovery of coal in the 18th century led to industrialisation of the area and most of the forests have been cleared.Mahal, Baidyanathpur, Dalurband, Ramnagar, Bilpahari and Kendra Khottamdi form a cluster of census towns in the northern portion of Pandabeswar CD block.According to the 2011 census, 79.22% of the population of the Durgapur subdivision was urban and 20.78% was rural.