" is lying or is from one of the upper castes and therefore don't know what it feels like to be a non-Brahmin."
Seriously brahmins barely make up 5% of Indians. Before British rule, Indians switched caste just like people move between classes in the UK. The British used caste as a divide and rule tool to create further wedges between different castes so it was easier to rule them all.
https://www.bbc.co.uk/news/world-asia-india-48619734
https://www.jerusalemonline.com/how-the-british-empire-inven...