I.P.C.Section 100 In simple words, section 100 of the Indian Penal Code allows the right of private defense of the body, including causing death or harm to the aggressor, if the offense falls under specific categories such as assault likely to cause death, serious hurt, rape, unnatural sex, kidnapping, wrongful confinement IPC Section 100 - When person's right to private safety of body extends to causing death Description The right of private defense of the body, subject to the restrictions mentioned in the last preceding section, extends to voluntarily causing death or any other harm to the assailant, if the offense which impedes the exercise of the right is either of The particulars are hereinafter numbered, namely: such assault as may reasonably cause apprehension that death will otherwise result in such assault; such assault as may reasonably cause apprehension that grievous hurt would otherwise result in such assault; assault with intent to commit rape; Assault committed with intent to gratify unnatural lust; assault with intent to abduct or abduct; Assault committed with intent to wrongfully confine a person in such circumstances as to cause him to apprehend that he will be unable to have recourse to public authorities for his release. Act of throwing or administering acid1 or attempting to throw or administer acid which may reasonably cause an apprehension that grievous hurt will otherwise result from such act.