His fingers are yellow because of the way he wipes his ass. Filthy animal.
Madhura Rao is an attractive and University-educated young woman from Mumbai...
...not a ragged peasant from Kabul...
...and I very much expect her personal hygiene resembles that of your cleanest kin (if you have any clean kin.)
She's writing about the golden glow of turmeric, not the ordure that looms so large in your imagination.