When did the merger of Dadra and Nagar Haveli and Daman and Diu take effect under the Dadra and Nagar Haveli and Daman and Diu (Merger of Union Territories) Act, 2019?
The merger of Dadra and Nagar Haveli and Daman and Diu took effect under the Dadra and Nagar Haveli and Daman and Diu (Merger of Union Territories) Act, 2019 on December 19, 2019.