The M'naghten Rule is a legal principle concerning the insanity defense. Under this rule, a defendant may be excused from criminal liability if, at the time of the act, they were suffering from a defect of reason due to a mental disorder, rendering them incapable of understanding the nature of the act or distinguishing between right and wrong. In the context of Indian law, the equivalent provision is found under Section 84 of the Indian Penal Code (IPC). Therefore, the correct answer, aligning with the application of the M'naghten Rule in the IPC, is:
IPC 84