Consider the following statements.
1. A person who has held office as a judge of the Supreme Court is prohibited from practicing law before any court.
2. Constitution provides that salaries and allowances of Supreme Court Judges can not be varied to his disadvantage during his term of office, but President can overide this guarantee during the proclamation of financial emergency.
3. Supreme Court has power to punish for its own contempt.
Which of the statements given above are correct?

A. 1 and 2

B. 2 and 3

C. 1 and 3

D. All of these

Answer: Option D