Which is correct in respect of the appointment of District Judges

Which one of the following is correct in respect of the appointment of District Judges?

1. They are appointed by the Chief Justice of the concerned High Court.
2. They are appointed by the President of India on the advice of the Chief Justice of the concerned High Court.
3. They are appointed by the Governor in consultation with the High Court of the concerned State.
4. They are appointed by the Supreme Court on the advice of the concerned High Court.