As a first responder, you are welcome to make medical decisions based on the injury but you also must promote the learning of first aid. First aid is given to prevent any further aggravation of an injury for the injured. Here are the 4Ps of first aid.
On 15th May around 8 to 8.30 PM when I was returning from office near Perungudi Bus stand I saw a crowd of people in the road side. I immediately stopped my vehicle and reached the spot and found a mid aged women met with accident and lying on the road.