The Tata Motors has completed the booking process for Tata Nano for the year 2010, and for year 2011 the bookings will start from first quarter of next year.
However, if you have already booked your Nano, than you can know the waiting period by contacting on the above given call center number of Tata Motors.
Tata Call Center - 020-66495678
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.