Kahalgaon Subdivision is a administrative Subdivision in the Bhagalpur district of Bihar, India.Comprises three community development blocks — Kahalgaon, Pirpainti, and Sanhaula. The Subdivision headquarters is at Kahalgaon town.
Geography Kahalgaon Subdivision lies on the southern bank of the Ganges River, bounded by Godda district of Jharkhand to the southeast. The region is part of the fertile Anga plains and includes riverine belts along the Uttarvahini Ganga.
Administrative Divisions The Subdivision include the following blocks: Kahalgaon Block Pirpainti Block Sanhaula Block
Demographics As per the 2011 Census of India, the combined population of the three blocks that would constitute Kahalgaon Sub division is:
Block Population Notes Kahalgaon 365,285 Includes urban town area Pirpainti 285,357 Entirely rural block Sanhaula 192,397 Mostly rural block Total 843,039 As of 2011 census
Pirpainti had a town population of 9,021 (4,786 males; 4,235 females) across 1,635 households. Sanhaula is a block with multiple villages; the block population was 192,397.
Languages The official languages are Hindi and Urdu, with Angika widely spoken in daily use.
Economy The region is economically driven by thermal power generation, agriculture, and rural trade. Major economic contributors include:
NTPC Kahalgaon Super Thermal Power Station Total installed capacity: 2,340 MW (4×210 MW + 3×500 MW) Operated by NTPC Limited Coal sourced from Rajmahal coalfield Water drawn from Ganges River FY 2023–24 generation: 16,555.02 million units, one of the highest in eastern India. A 3 MW solar unit was launched in December 2020, reducing carbon output by 6,400 tonnes annually.
Transport **Railways**: Major stations include Kahalgaon railway station and Pirpainti railway station, both on the Sahibganj loop. **Roads**: The Subdivision is linked by state highways and rural roads, with connections to NH-80 and NH-33.
Culture and Tourism Kahalgaon Sub Division includes sites of cultural and ecological importance: Ashtavakra Mandir: A newly built temple dedicated to the sage Ashtavakra, inaugurated in 2023. Vikramshila Gangetic Dolphin Sanctuary: A 60 km protected stretch along the Ganga River, home to the endangered Ganges river dolphin. Vikramashila University Ruins: Ancient center of Buddhist learning built under the Pala Empire. Bateshwar Hills: Site of historic Shiva temples and cave shrines.
See also Bhagalpur district NTPC Kahalgaon Pirpainti Angika Ganges river
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