Bhagalpur district is one of the thirty-eight districts of Bihar state, India. Bhagalpur is the oldest district of Bihar. Bhagalpur city is the administrative headquarters of this district. Bhagalpur Bhagalpur is the largest city in Bhagalpur district and is situated on the southern bank of the Ganges river. The old name of Bhagalpur is Champanagri which is capital of Anga Kingdom. Kahalgaon Kahalgaon (formerly known as Colgong during British rule) is a municipality Town and one of 3 sub-divisions in Bhagalpur district in the state of Bihar, India. It is located close to the Vikramashila. Naugachia Naugachia is a town and a important railway station in Bhagalpur district in the Indian state of Bihar. It is a block and one of three sub-divisions of the Bhagalpur district and is also a police district. Sultanganj Sultanganj is town and a block in Bhagalpur district of Bihar. It located 25km from Bhagalpur. There are 16 blocks and circles in the district and each block is headed by a block development officer and each circle is headed by a circle officer. Goradih Jagdishpur Nathnagar Sabour Shahkund Sultanganj Kahalgaon Pirpainty Sanhaula Bihpur Gopalpur Ismailpur Kharik Narayanpur Naugachia Rangrachowk Bhagalpur district occupies an area of . Bhagalpur district is a part of Bhagalpur Division. The river Ganga flows through the district. Vikramshila Gangetic Dolphin Sanctuary |} In 2006 the Indian government named Bhagalpur one of the country's 250 Rank 3 backward districts (out of a total of 640). It is one of the 38 districts in Bihar currently receiving funds from the Backward Regions Grant Fund Programme (BRGF). A 1320MW Thermal Power Plant is going to establish at Pirapinti with a J.V of NHPC, Bihar State Power Generation Company (BSPGCL) and Nalanda Power Company, a subsidiary of RPG Groups. According to Geological Survey of India, the coal reserve of 1366.75 metric ton has been discovered in Srinagar, Laxmipur, Mandar and Pirpainti block of Bhagalpur district. Bharat Coking Coal Limited is to start mining operations as of September 2019.