no sir you are totally mistaken, rates of AIDS prevalence in bihar and UP are virtually zero which is really commendable and this is disgusting that you would blame everything on UPites and biharis.. bombay is a virtual whorehouse and orher areas in maharashtra and it is due to the infrastructure and safe havens that are provided by these states inc tamilnadu and maharashtra.. first clean ur house before blaming others and read some stats