evidence: It has been argued that Sughauli Treaty of 1815-16 between East India Company and Nepal can be challenged and Nepal has a strong legal case to reclaim the territories that British obtained from Nepal and never returned after they left Indian sub-continent. Evidence seem to suggest that Nepal can legally claim such territories because a) British obtained those lands in a method denounced by the International Law of Treaties (Versailles) and b) Peace and Friendship Treaty of 1950 between India and Nepal nullifies all the previous treaties signed between British and India and c) the Treaty signed by Britain and Nepal in 1950 also nullifies all the previous treaties between India and Britain and d) India has weak historical case to make for ownership of these lands. However, the questions remain: [...] 2. Similarly, there was dispute in ownership of Antu Danda of Ilam in 1825 3. There was also dispute on the origin of the Mechi River. There was dispute till 1838 whether the river originated from north-east or the one coming from north-west was the source of the Mechi River 4. In 1840, there were claims and counterclaims on the ownership of several villages and settlements of the Ramnagar area 5. There was also ‘mine-and-yours’ controversy regarding the border areas adjoining with Tirhut and Sarun districts of India.