Step 1: Understanding the Concept:
The question asks for the location of the Bagmati Project, a major river management and irrigation project in Bihar.
Step 2: Detailed Explanation:
The Bagmati Project is a multi-purpose project on the Bagmati River. A key component of this project is the construction of a barrage. The primary site for the barrage and the project's main works is located in the Sitamarhi district of Bihar, near a place called Dheng. The project aims to provide irrigation facilities and flood control in several districts of North Bihar, including Sitamarhi, Sheohar, and Muzaffarpur.
Step 3: Final Answer:
The Bagmati project is located in Sitamarhi.