Siren For Police, Fire truck, Ambulance, Agri?

 

These are siren provided to ambulance as they are in the category of Emergency Vehicles. These Vehicles help in Rapid migration of injured one to hospitals.

These are Civil service cars which came under investigation against crime which are performed by any civilian of the country. They take measures against the criminal.

These are those who work to let out the problem of fire. These are also categorized in Emergency services.

 
                                       These are use in Agricultural units like tractor, harvester etc.