98. Right of private defence against the act of a person of unsound mind, etc .—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 intox ication 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.  
Illustrations  
(a) Z, under the influen ce of madness, attempts to kill A; Z is guilty of no offence. But A has the same right of private 
defence whic h he would have if Z were sane.  
(b) A enters by night a house which he is legally entitled to enter. Z, in good faith, taking A for a house -breake r, attacks A. 
Here Z, by attacking A under this misconception, commits no offence. But A has the same right of private defence against Z, 
which he would have if Z were not acting under that m isconception.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.