Can the President change the official language of the Union without consulting with Parliament according to Article 343?
No, the President cannot change the official language of the Union without consulting with Parliament according to Article 343. The President may only authorize the use of Hindi in addition to English and Devanagari numerals in addition to international Indian numerals for any of the official purposes of the Union during a period of fifteen years from the commencement of the Constitution. After that period, Parliament has the power to provide for the use of English or Devanagari numerals for specified purposes through legislation.