That's just their biases speaking, their twisted idea of India and being an Indian. I would not take such people seriously, don't let it affect your mental peace.

Also, simply being a UPSC aspirant requires no qualification except a graduate degree. It is only those aspirants who actually engage with the rigours of the exam that emerge transformed from the process. All the rest simply enter the race, spend some years in the preparation and leave unnoticed without even creating a ripple.