Sovereignty — Conduct of Foreign Affairs — Conclusiveness of Statements of the Executive — Certificate of British Office of Commonwealth Relations.

Federal States — Ruler of State in Pakistan Federation — Sovereignty Limited by Instruments of Accession — Whether Ruler Entitled to Immunity.

British Commonwealth of Nations — Ruler of State in Pakistan Federation — Whether Entitled to Immunity before English Courts — Certificate of Commonwealth Relations Office — Whether Certificate Conclusive — Indian Independence Act, 1947 — Pakistan Citizenship Act, 1951.

Jurisdiction — Exemptions from — Ruler of State Member of Pakistan Federation — Sovereignty Limited by Instruments of Accession to Federation — Whether Entitled to Immunity from Jurisdiction of English Courts — Certificate of Commonwealth Relations Office — Whether Certificate Conclusive — Indian Independence Act, 1947 — Pakistan Citizenship Act, 1951.