You could use the World Speed Test to compare download and upload speeds between regions, cities and service providers in India. Mumbai (10.08 Mbps max) is better off than Madra (9.09 Mbps max), which in turn is better off than Bangalore (7.21 Mbps max). This, however, only gives you part of the picture. The forum, with it’s groups and blogs can give you better insight into user’s experiences with reliability, cost and support. Fast internet access removes one of the barriers to effective distributed teams.