"The discrimination adapted. Algorithms trained on historical hiring data learnt to reconstruct caste information from variables that had nothing to do with names. The bias survived anonymisation because it was never really about the surname. It was about everything the surname predicted: address, school, father's occupation, gaps in employment. Remove one variable, and the algorithm finds ten others that correlate with it..."

https://www.theindiaforum.in/caste/algorithms-dont-need-your-surname-guess-your-caste-thats-problem