If someone falls off a two-wheeler while wearing a helmet: First, approach them cautiously and assess the safety of the scene. Secondly, attempt to communicate with the person and observe their response. Third, if they are responsive, inquire about any pain or symptoms they may be experiencing. Only after completing these steps should you consider removing the helmet. However, if the individual is unresponsive or unable to move, immediately call for an ambulance. Learn the exact procedure of how to remove a helmet after an accident step-by-step by Dr. Preetha Elangovan, Consultant - Emergency Physician.