The correct answer is: A. 260
Article 260 of the Constitution of India states that the President of India has the power to make regulations for the peace, order and good government of any Union Territory not having a legislature.
The other options are incorrect because they do not refer to the power of the President of India to make regulations for Union Territories.
Option B: Article 240 deals with the powers of the Governor of a State.
Option C: Article 250 deals with the power of the President of India to make laws with respect to certain matters in the State List in the national interest.
Option D: Article 280 deals with the distribution of revenues between the Union and the States.