The extended debate in the Senate is called: <span>C. flilibuster
</span>a veto is "<span>a constitutional right to reject a decision or proposal made by a lawmaking body." (According to dictionary) </span> A cloture is "<span>the only formal procedure that Senate rules provide for breaking a filibuster" (according to senate)
The high growth of population in Terai region is because of migration from mountain and hill , growth of the population in the Terai region itself and immigration from outside i.e. from other neighbouring countries