Furniture and other properties at the office were reduced to ashes in the arson.
Soon after the incident, police, fire engine and employees of the office contained the fire.
General life in the district has been hit-hard following banda enforced by Madheshi Front, Tharu Kalyankari Sabha, and Nepal Sadhbhawana Party among others.
Taxi torched in Koteshwore, 3 dozen banda organizers held