You cannot buy a Tata Nano EV as it was a concept vehicle and will not make into production anytime soon. People considered the car as the way to solve the pollution problem of the metros and even thought that it would serve good for everyday commuting in the city. The design of the car is based on the original Nano while it uses a fully electric drive-train for its everyday drive. It uses an automatic gearbox and would have performed really well its relatively small size.