Cars Q&A

There is news item in T.O.I. that maruti is going to stop sales of m 800 and omni in metros from april 2010 due to non compliance of these vehicles to Bharat stage iv pollution norms what is the implications of this to exsisting maruti 800 and omnis at Bangalore.whether these vehicles will be able to run in metros or not beyond april 2010.Will some body from public or govt transport will clarify please?