The original jurisdiction of the Supreme Court of Pakistan, as defined in Article 184 of the Constitution, primarily extends to disputes:

The correct answer to the question "The original jurisdiction of the Supreme Court of Pakistan, as defined in Article 184 of the Constitution, primarily extends to disputes:" is Option B: Between the Federal Government and one or more Provincial Governments, or between two or more Provincial Governments..

The other options — A) Between an individual and the Federal Government., C) Involving the interpretation of a provincial law., D) Related to election petitions for the National Assembly. — are incorrect for this Pakistan Affairs question. As explained above: Article 184 (1) of the Constitution grants the Supreme Court original jurisdiction in any dispute between any two or more Governments (Federal and Provincial, or between Provinces).