Tata has introduced the Nano Exchange Offer on selected models only and you can exchange your old two-wheeler as well as four-wheeler and can get a exchange bonus up to Rs. 10000. However, you must contact the local dealer to confirm the validity of this offer in your city.
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.