Westernization to some degree wiped away much of the strength of the caste system.
Yes, it's a good thing that the English showed up in India to teach Sammy egalitarianism because, you know, the English have never gone in for any sort of caste system.
Full egalitarianism is not as important as that the bourgeoisie is at parity in social standing with other classes and that it drives the social dynamics at the top level. You don't need everyone to be an entrepreneur, just a solid class of them. You change the social dynamics so that the upper class competes for distinction via wealth accumulation.
To clarify, the point isn't that the gap between the top and the bottom is narrowed; rather the maintenance of that gap is dependent on wealth accumulation.