Nothing which is not intended to cause death, or grievous hurt, and which is not known by the doer to be likely to cause death or grievous hurt, is an offence by reason of any harm which it may cause, or be intended by the doer to cause, to any person, above eighteen years of age, who has given consent, whether express or implied, to suffer that harm; or by reason of any harm which it may be known by the doer to be likely to cause to any such person who has consented to take the risk of that harm"
Illustration
A and Z agree to fence with each other for amusement" This agreement implies the
consent of each to suffer any harm which, in the course of such fencing, may be
caused without foul play; and if A, while playing fairly, hurts Z, A commits no
offence"
81 IPC Act likely to cause harm, but done without criminal intent, and to prevent other harm
82 IPC Act of a child under seven years of age
83 IPC Act of a child above seven and under twelve of immature understanding
84 IPC Act of a person of unsound mind
85 IPC Act of a person incapable of judgment by reason of intoxication caused against his will
86 offence requiring a particular intent or knowledge committed by one who is intoxicated
87 IPC Act not intended and not known to be likely to cause death or grievous hurt, done by consent
88 IPC Act not intended to cause death, done by consent in good faith for person's benefit
89 IPC Act done in good faith for benefit of child or insane person, by or by consent of guardian
90 IPC Consent known to be given under fear or misconception