<s>[INST] Which states were mentioned before the "Goa, Daman and Diu Reorganisation Act, 1987 (18 of 1987)" amendment? [/INST] The states mentioned before the "Goa, Daman and Diu Reorganisation Act, 1987 (18 of 1987)" amendment were Arunachal Pradesh, Goa, and Mizoram. </s>