THE PENAL CODE, 1860 (ACT NO. XLV OF 1860).
CHAPTER IV- GENERAL EXCEPTIONS
98. When an act, which would otherwise be a certain offence is not that offence, by reason of the youth, the want of maturity of understanding, the unsoundness of mind or the intoxication of the person doing that act, or by reason of any misconception on the part of that person, every person has the same right of private defence against that act which he would have if the act were that offence.
Self-defence - national proceedings
EDIT.