It is social evil which is at verge of extinction in a generation or two, unless provided oxygen by these laws. I see no reasonable way that a law saying caste

It is social evil which is at verge of extinction in a generation or two, unless provided oxygen by these laws. I see no reasonable way that a law saying caste-discrimination isn't ok will cause people to start discriminating by caste. I think that's utter nonsense and you're going to have to provide some kind of evidence for such an outlandish assertion.