The question pertains to traffic rules and safety measures related to wearing helmets in India. The correct answer is For two wheeler, which aligns with the legal requirements and safety practices to protect riders from head injuries in case of accidents. Let's explore the options and reasoning:
In conclusion, the emphasis on helmet use is predominantly geared towards those riding two-wheelers, making option 1 the correct answer. It is crucial for preventing serious injuries and fatalities on the road.