evidence: - The river works as a natural border between India and Nepal. [...] - Nepal alleges that the river originates either from Limpiyadhura or from Lipulekh and considers both the locations as part of Nepal’s Sudurpaschim province. [...] - Nepal had protested strongly against this move by India and claimed that it is a breach of agreement reached between the Prime Ministers of India and Nepal in 2014 to work out on the outstanding boundary issues on Kalapani and Susta (West Champaran, Bihar).