The Indian subcontinent is the new South America in this update, so drink it in while you can here. To be fair, not much is going on here save just population growth and some tech. Colombo is not one of the largest cities in the world, however, and Sri Lanka only really has one way to go to expand—and into a powerful enemy, and a powerful enemy after that in Afghanistan that might try to snipe their gains.
Strangely, there is a good city spot to the west that nobody has seemed to want to claim yet. Sea resources abound.