How many tamils or telugu first generation migrants in Bangalore do you think have voting rights? Unless if someone is born here, I don't see any migrant really bothered to get voting rights here.. So I wouldn't consider tamils/telegus i Bangalore making a real difference in terms of electorate. Thats the reason why there is near total absence of mentioning migrants in the election time. Moreover, I don't think DMK will ever bother to win a seat here. It has 100% tamil identity based roots.