The court order states that all petrol vehicles over 15 years old and diesel vehicles more than 10 years old will not be allowed to ply in the National Capital Region and any vehicles violating the directive will be impounded. Modern diesel (especially the ones hit by the ban) pass far stringent regulations in other countries. The need of the hour is to update our emission norms, have a periodic fitness test in place for vehicles and upgrade the quality of fuel. There is no clarity on what happens to vintage cars. If India wants to follow the footsteps of developed nations to try and bring the air pollution levels down, it must invest and promote in developing infrastructure for hybrid and eventually all-electric vehicles. Many carmakers around the world are investing billions of dollars in research and development for environment-friendly vehicles and joining hands with one or more of them shouldn’t be a daunting task for India. For more information suggest you visit your state RTO department website.