Can the President declare a state not to be a foreign state? If yes, under what circumstances and for which purposes?
Yes, the President can declare a state not to be a foreign state. This is done under Article 372 of the Constitution, which allows for adaptations and modifications in the General Clauses Act, 1897, when interpreting this Constitution. The circumstances and purposes for such a declaration are subject to the provisions of any law made by Parliament and can be specified in an order issued by the President.