Kahalgaon is a town located in the Bhagalpur district of eastern Bihar, situated on the banks of the Ganga River. It is widely known for the NTPC Kahalgaon Super Thermal Power Station, one of the major power-generating units in the region. The town plays an important role in supporting industrial and energy needs of Bihar and nearby states. Agriculture and river-based activities also contribute to the local economy. Kahalgaon has good rail connectivity, as it lies on the Howrah–Delhi main railway route. The presence of the Ganga adds cultural and economic importance to the town. Local markets cater to surrounding rural areas. Kahalgaon continues to develop as an industrial-support town with regional significance.