BNS Clause 18

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.

Website – https://www.leadindia.law/indian-kanoon/bharatiya-nyaya-sanhita-bns/chapter-3-general-exceptions/clause-18-accident-in-doing-a-lawful-act