Mr. A mistakes Y to be Z and killed Y. He pleaded in court that he did not intent to kill Y at all. He mistaken Y to be Z who he wanted to kill and hence he should be given the defence of mistake. Is Mr. A liable?
Mr. A is not liable and can claim defense of mistake.
Mr. A is liable and can not claim defense of mistake.
Mr A cannot claim the defense because the fact itself is illegal here.
Mr. A cannot claim the defense because he killed someone.
Mistake of fact is no defence if the fact itself is illegal. One cannot do an illegal act and then plead ignorance of a fact. Mr A here cannot plead defense of fact. Hence the correct option is C.