I think karnataka should be made as a separate COUNTRY. People from other places should pass IKLTS(International Kannada Language Testing System) and should have visa etc....
Just Imagine if only Kannadigas were working here, then bangalore would have been nothing a big zero. They should respect other people and should thank them, as other state people have made Bangalore so Big and because of that(Sales Tax, other taxes, Renting house) kannada people are surviving greatly