law: 1. Short title, extent and commencement.-
  (1) This Act may be called the Mental Healthcare Act, 2017.
  (2) It shall extend to the whole of India.
  (3) It shall come into force on such date1 as the Central Government may, by notification in the Official Gazette, appoint; or on the date of completion of the period of nine months from the date on which the Mental Healthcare Act, 2017 receives the assent of the President.