Asansol /ɑːsɑːŋsəʊl/ is the second largest city and urban agglomeration in West Bengal after Kolkata and the 39th largest urban agglomeration in India. Asansol is located in the Burdwan District of India. According to a 2010 report released by the International Institute for Environment and Development, a UK-based policy research non-governmental body, Asansol is ranked 11th among Indian cities. and 42nd in the world. in its list of 100 fastest-growing cities. As per the recommendations of the Sixth Central Pay Commission, Asansol has been listed as a Y-category city for calculation of HRA for public servants. It happens to be the only non-Z category city in West Bengal apart from Kolkata which belongs to the X category.