Tata nano car is the best one car. Because after 2years I had purchased in this car. Generally, I have personly test to drive in long toure so any problems to test this drive .Tata GENX Nano car for everyone designed for the generation, The GENX Nano easy shift(ATM)ease of driving to the next level with all of this technologycally advanced features. The Tata nano car GENX is automated manual transmission(ATM)is India most fuel efficient petrol car with best one. On other hand I think to about in this car price are very low. And also mileage are good that is 25km/hrs something Ive understand that nano car is one of the best Powerful.I think Tata Motors is the best one company in india.so, I like this car.