Which one of the following statements is incorrect?
Goa attained full statehood in 1987.
Diu is an island in the Gulf of Khambhat.
Daman and Diu were separated from Goa by the 56th Amendment of the Constitution of India.
Dadra and Nagar Haveli were under French colonial rule till 1954.
Dadra and Nagar Haveli was under Portuguese colonial rule till 1954 and not French colonial rule.