Explanation:

- Certiorari: This writ is used by a higher court to review and nullify the judgment of a lower court. It's used to ensure legal proceedings are lawful.

- Mandamus: This writ orders a public agency or governmental body to perform an act required by law when it has neglected or refused to do so.

- Prohibition: This writ directs a subordinate court or body not to exceed its jurisdiction or undertake an action it is not entitled to perform.

- Quo-Warranto: This writ inquires into the legality of a person holding a public office and can lead to their removal if the position is unlawfully occupied.

- Correct Answer: Quo-Warranto