Forensic Medicine

In which of the following situations, the accused is punishable under Law:

If under the influence of an insane delusion, a person thinks another man is attempting to kill him and he kills that man in self-defense

If under the influence of an insane delusion, a person thinks another man to be a wild animal and kills him

If under an insane delusion, a person thinks that another person has caused serious injury to his character, family or propey and kills him.

If under the intoxication produced without his will, a person kills another person and has no recollection of it.