PRINCIPLE: When a person voluntarily agrees to suffer some harm, he is not allowed to complain for that. FACTS: 'A' was one of the spectators at a formula one car race, being held at Gurgaon, on a track owned by one 'M' company. During the race, there was a collision between two racing cars, one of which was thrown away amidst spectators, thereby causing an injury to 'A'. 'A' claims damages for the injuries caused to him.