If you have to wait for 6 long years to buy Nano then in simple words, though it may sound harsh, you don't deserve it. Car is going to need lots of other things too besides the automobile hardware. Like maintenance, running cost in terms of fuel and so on. Will you be able to afford it then?? Oh and by the way that magic figure of 1 Lakhs is an ex-showroom price. With taxes and other charges it will cost around 1.25 lakhs. That means 2 years more according to your calculations!