with the kind of experience chinese are gaining with building cars of every kind ,They will be what Japan is known for Cars in another Decade's time.
China is almost 4 times the GDP of India and it is almost a developed Country in more than many ways.
Nano is built as just Another City Car with very good mileage and Space(unlike Mehran) for Value For Money type People.Their Numbers increased recently may be due to their Gujarat Plant got Functional.As Maruti 800/Tata Indica productions getting Stopped ,Nano will get a Surge in Sales until Other Value for Money Small Cars from Bajaj etcetera will be available in the Market.
Tata Even Contemplating Exporting Nano to Neighbours(Sri Lanka,Bangladesh) .
Nano Diesel CRDI(800cc?) is also expected.