About Kahalgaon
Kahalgaon (formerly known as Colgong during British rule) is a town and a municipality in Bhagalpur district in the state of Bihar, India. It is located close to the Vikramashila, that 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 near the town(3 km).
Source : Wikipedia