Tata Nano launching date is still not officially announced by Tata Motors. But according to one of the Tata Motors' spokesperson, Tata Nano would launch in somewhere in the end of February and it will available at Tata dealers showroom in February end.
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.