To book Tata Nano you would need to submit a booking form which will cost Rs 300. This form can be procured from any authorized Tata Dealer, any State Bank Of India Branch, Westside Retail shops, Croma Electronics retail stores. With this for you would also need to pay booking amount of Tata Nano booking is 70% to 80% of car value.
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.