People who missed a chance to book their Nano first/last time around can now soon book the worlds cheapest car. Tata Motors is set to re-open the bookings of the Nano once the mother plant in Sanand, Gujarat commences production of the car. However don’t worry if you are not in a position to book your Tata Nano in May, because the bookings of the Nano will be open forever and the dealers will also start offering test drives once production becomes stable.