It is administered by India as part of West Champaran district of Bihar.

It is claimed by Nepal as part of Susta rural municipality, under West Nawalparasi District in Lumbini Province.

5), alleging that over 14,860 hectares of Nepali land in Susta has been encroached upon by India while India claims "Susta" to be a part of West Champaran district.

At the time the treaty was signed Susta village was situated west of the river.

Nepal maintains the Gandak's course in 1816 to be taken as the fixed international boundary but India claims that land on the eastern side of the river is its own territory.