The old metropolitan cities in india are Delhi, Mumbai, Kolkata & Chennai.
Recently, 4 more have been added to the list.The newly added metropolitan cities are Bangalore, Hyderabad, Pune and Ahmedabad .Hence as of November 2010, there are 8 metro cities in India.
here my doubt is for HRA calculation Bangalore to be considered as Metro city or not...?? AY 2011-12