Which section of IPC defines the defence of unsoundness of mind?
Section 81
Section 85
Section 84
Section 82
Section 84 mentions that Nothing is an offence which is done by a person who, at the time of doing it, by reason of unsoundness of mind, is incapable of knowing the nature of the act, or that he is doing what is either wrong or contrary to law. Hence the correct option is C.