Front power windows comes with the new 2013 and old model of Tata Nano Lx. To get other details about the variants, please visit the link below-
New Tata Nano with EasyShift is available at Rs. 2 lac (Ex-showroom, Delhi), and the final cost depends on the valuation of your car. So, first get the valuation of your car from authorized Tata dealer, so he can give you a final quote for the new car.