According to a UK-based group, there are five Indian cities that are considered truly global. The top such city is Mumbai of course and is considered an “Alpha” city in their 2008 study. New Delhi, Bangalore, Chennai and Kolkata (Calcutta) are the other Indian cities on the list.
The most global cities in the world were considered New York and London in order. The United States has 17 cities on the list, China 4.