Kahalgaon subdivision
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 BlockPirpainti 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 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
- 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.