If that's the case then why arent the South Indians going back to South. 90% of the Restaurants are occupied by south indians. In Mumbai and Pune there are almost 30 to 40 % South Indians. If they go back to there dear places then there wont be any problem as such.
For those who feel Mumbaikars are Ghatis they should know that Mumbai is the Commercial Capital Of India, and its only the Mumbaikars who can feel the Warmth and the Pain of being a Real Mumbaikar.
We all know what happens in Kerala, I have seen Prostitution happening just near to Temples of Goddesses (Is this your Passion Towards Modern Culture?)
Dont Forget Its AMCHI MUMBAI.. "MARATHI MANASA JAGA HO"