24.
The answer is: B
Explanation
The correct option is B: Duplicate.
According to Order IV, Rule 1 of the Code of Civil Procedure, 1908, every suit shall be instituted by presenting a plaint in duplicate to the Court or such officer as it appoints in this behalf. This means that the plaintiff has to file two copies of the plaint, one for the Court and one for the defendant. The plaint has to comply with the rules contained in Orders VI and VII, so far as they are applicable.