Well - if its gone 'underground' as you say - then it must be in retreat - and as the world breeds it out - and considers it 'unacceptable' in all nations - not just in our few western liberal egalitarian democracies - then you might get a handle on it - but you should really start attacking it where it is most prevalent - and that is in India - by most accounts - then work your way down the list of most racist nations - till you get near to the very bottom where we are - and by then it most probably won't be an issue at all - if it still really is - that is -
It hasn’t died out. It just went underground. It peeks its head out and we all act surprised. Keeping quite doesn’t make it go away. It allows it to fester and spread. Nice dodge.