What is the provision to safeguard the autonomy of the Supreme Court of India?

1)    While appointing the SC judges, the President of India has to consult the Chief Justice of India.

2)    The SC judges can be removed by the CJI only.

3)    The salaries of the judges are charged on the Consolidated Fund of India to which the legislature does not have to vote.

4)    All appointments of officers and staffs of the SC of India are made by the Government only after consulting the CJI.

Which of the Statements given above is/are correct?