it's not just caste, I've seen fights between various "types" of hindus and Indians, e.g. north indian vs south, east vs west, jain vs non-jain, hindu vs muslim

it's not just caste, I've seen fights between various "types" of hindus and Indians, e.g. north indian vs south, east vs west, jain vs non-jain, hindu vs muslim (also west bengali vs bangladeshi), whether you support kashmir independence or not, it's nonstop