Explanation:

- Order 25, Rule 5: This deals with the security for costs, requiring a plaintiff to provide security for costs of the defendant.

- Order 46, Rule 2: This allows a court to state a case and refer it to the High Court when there is a question of law involved. It discusses when a court may pass a decree contingent on a High Court's decision.

- Order 22, Rule 18: This relates to the procedure to be followed when one of the parties dies and the interest of the deceased party accuses.

- Order 16, Rule 10: This pertains to the procedure for enforcing the attendance of witnesses in court.

Correct Answer:

Order 46, Rule 2