Subdivisions of Bhagalpur district

Kahalgaon (formerly known as Colgong) is a municipality town in Bhagalpur district of Bihar, India. It lies in the Anga region and is located close to the Vikramashila University, which was once a famous centre of Buddhist learning across the world, along with Nalanda, during the Pala dynasty. The Kahalgaon Super Thermal Power Plant (KhSTPP) is located 3 km from the town. Kahalgaon was the capital (capital-in-exile) of Jaunpur Sultanate (1494–1505).