12.
The answer is: C
Explanation
The correct option is C: Interrogatories.
Interrogatories are written questions that one party sends to another as part of the discovery process in a civil suit. The recipient must answer the questions in writing under oath and according to the case's schedule. Interrogatories are a way of obtaining information from the opposite party that may be relevant to the case, such as facts, witnesses, documents, claims, defenses, etc. Interrogatories are covered under Section 30 and Order XI of the Code of Civil Procedure, 1908