happygolucky, in India the pick up is controlled by the Aiport Authorities for security reasons of the passengers. There are numbered taxis which you can get and your name and the number of the taxi will be noted down. If you are using an illegal one there will not be any trace of that car which you used to travel if something happens to you on the way. This system was introduced in many Airports due to complaints from passengers that they were looted on the way by the taxi driver and company.