Consider the following pairs: State – Description I. Arunachal Pradesh : The capital is named after a fort, and the State has two National Parks. II. Nagaland : The State came into existence on the basis of a Constitutional Amendment Act. III. Tripura : Initially a Part 'C' State, it became a centrally administered territory with the reorganization of States in 1956 and later attained the status of a full-fledged State. How many of the above pairs are correctly matched?