That sounds pretty cool. Looks like the Toyota is bringing the Western Fashion in India.
I don't know about other countries but in US you can build your own car on the manufacturers website and then order it online. All companies provide this feature.
Things which you can select are as following:
2. Exterior Color
3. Interior Color
4. Engine (v4..v6..v8)
5. Choose from different packages like (Electronics, gps, Hid's etc)
6. Tire Size (17"..18"..19" ........)
And many more depending on what brand car you buying.