I just know that what she wearing in her eyes aren't rea. I've seen the dark eyes girl ( asian) wearing color contact lens and their eyes appeared to be "dark blue", the same like aishwarya rai. And it dosen't looks real.
I find out this picture of her, before and after color contact lens/ flash light condition, make-up and lightning her skin.
http://www.flickr.com/photos/29126736@N08/2730564124/sizes/l/
Read more: Why aishwarya rai like to keep wearing the color contact lens? - 1