Explanation:

It means ignorance Of law is no excuse. it cannot be pleaded by even a. foreigner present in India. It means a mistake as to the existence or otherwise of any law on a relevant subject as well as a mistake as to what the law is. A 'mistake or ignorance oflaw, whether civil or criminal is no defence in law, howsoever, genuine it might be. I If ignorance of law were a defence, it would be open to an accused charged of a crime to allege that he was not aware of the law on the point; and it. would be quite impossible for the prosecution to prove that the accused was cognizant of. the law in question.