<p>An Azamgarh-based carpenter transformed a Nano car into a helicopter that runs on the road and gives passengers the experience of air travel. </p>.<p>People gathered in huge numbers to look at this helicopter running on the road. </p>.<p>The carpenter, said, "We have made a helicopter that runs on the road. It took me around four months and cost about Rs 3 lakh." </p>.<p>"If the government and companies help us, we can also make helicopters that can run on water and air. We can take this idea forward for similar inventions," he added. </p>