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first of all duty means 'tax'. for goods we have to pay tax i.e duty paid, duty free means tax free.
Cochin Duty Free was created in 2002.
Duty Free - 1984 A Duty Free Christmas 3-8 is rated/received certificates of:
UK:U (video rating) (2001)
Check with your local duty-free shoppe to determine whether or not the border you are crossing allows diamonds to be purchased duty free.
There is no standard.
Yes it is totally free.