It links directly with Patna , via Begusarai and Khagaria .
National Highway 80 ( NH 80 ) runs from the Mokama - Farakka via Bhagalpur , Kahalgaon .
Kahalgaon links directly with Patna , via Begusarai and Khagaria .
National Highway 80 ( NH 80 ) runs from the Mokama - Farakka via Bhagalpur , Kahalgaon .