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    Question

    Under Section 18 of the BNS, 2023, a surgeon, Dr. A,

    performs a complex cardiac surgery on patient B. During the procedure, despite exercising all standard medical protocols and proper care, an unexpected adverse reaction to anesthesia occurs, causing B's death. Post-mortem reveals the reaction was unforeseeable and not attributable to any negligence. Which of the following correctly applies Section 18 to Dr. A's liability?
    A Dr. A is liable for culpable homicide because a death occurred during his medical intervention, establishing prima facie liability Correct Answer Incorrect Answer
    B Dr. A is protected under Section 18 because the death occurred by accident or misfortune in doing a lawful act (surgery) in a lawful manner by lawful means and with proper care and caution, without any criminal intention or knowledge Correct Answer Incorrect Answer
    C Dr. A is liable unless he obtained written informed consent specifically mentioning anesthesia reaction risks; Section 18 does not apply to professional negligence cases Correct Answer Incorrect Answer
    D Dr. A must prove that the adverse reaction was scientifically impossible to predict; Section 18 applies only to truly unforeseeable accidents, not medical complications Correct Answer Incorrect Answer
    E Section 18 does not apply to medical practitioners; they are governed exclusively by the Medical Negligence principles under tort law Correct Answer Incorrect Answer

    Solution

    Section 18 of the BNS provides: "Nothing is an offence which is done by accident or misfortune, and  without any criminal intention or knowledge in doing a lawful act in a lawful manner by lawful means and with proper care and caution ." The provision creates an exception to criminal liability for truly accidental harm occurring during lawful conduct with proper care. Essential elements: (i)  lawful act  (surgery is lawful); (ii)  lawful manner  (following medical protocols); (iii)  proper care and caution  (standard of care met); (iv)  without criminal intention or knowledge  (no intent to harm, no knowledge that harm would occur); (v)  accident/misfortune (unforeseeable adverse reaction). In Dr. A's case: All elements are satisfied. The surgery was lawful, performed with proper care, and the adverse reaction was unforeseeable. Dr. A had no criminal intent or knowledge. The Supreme Court in  Jacob Mathew v. State of Punjab (2005)established that medical professionals cannot be held criminally liable for every adverse outcome if they acted with reasonable skill and care. Section 18 codifies this principle. The provision does NOT require written consent for every possible risk (informed consent is a civil/ethical requirement, not a Section 18 prerequisite). The distinction:  negligence  (lack of proper care) = criminal liability;  accident despite proper care  = Section 18 protection. Thus, option (B) correctly applies Section 18.

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