The non permitted colour for marking on Export packaging is:

Dont know, Mr.Wasi you tell pls.

Good question and waiting for your answer  However it could be RED

i never heard of any restriction so for me its D.  

The answer is white and red color

The use of red or orange is not recommended as these colours are reserved for dangerous and hazardous cargoes.

>>>>>>>>>>>> My answer will be option B) BLACK

I would rather go with "D"

Please tell us Mr. Wasi             .

D) NON OF THESE.................

It is Black

As Black Color Prevent Efficient Screening of Package due to its absorption of rays