THE PENAL CODE, 1860 (ACT NO. XLV OF 1860).
CHAPTER IV- GENERAL EXCEPTIONS
80. Nothing is an offence which is done by accident or misfortune, and without any criminal intention or knowledge in the doing of a lawful act in a lawful manner by lawful means and with proper care and caution.
Mental element
Intent - national proceedings
Knowledge - national proceedings
EDIT.