Nalgonda was earlier referred to as Neelagiri, the name given by some Rajput rulers and the name was changed to Nallagonda only after its conquest by Allauddin Bahaman Shah, a Bahamani king.Its district of Andhrapradesh..!! Nalgonda district occupies an area of approximately 14,200 square kilometres (5,500 sq mi),[4] comparatively equivalent to Indonesia's Flores.[5] Towns in the district include: Nalgonda, Miryalaguda, Suryapet, Kodada, Chityal, Kattangur, Nakrekal, Bhongir, Bhoodhan Pochampally, Aleru, Narkatpalli, Huzurnagar, Devarakonda, Yadagirigutta, Rajapet, Mothkur, and Kanegal. The rivers Krishna, Musi River, Aleru, Peddavagu, Dindi and Paleru flow through the Nalgonda district. Minerals in the district include Limestone, Black & Color Granites. Clean drinking water, water supply for irrigation and educational facilities for all are perhaps the most important problems Nalgonda faces right now. Nearly 500 villages in Nalgonda district are affected by the high fluorine content in water. It is estimated that nearly 1 million people are affected by Fluorosis in Nalgonda district. Parada village under Kattangur Mandal was suffering with drinking water in this mandal almost all villages supplied from Krishna but except this village.