New Delhi, March 17 -- A large variety of electric vehicles (EVs) have emerged in India. Their costs have been dropping rapidly, thanks to a fall in battery prices. At the same time, their quality is improving, making them more comfortable and easier to drive as compared to petrol vehicles. The focus of policy now needs to be on ensuring sufficient charging infrastructure. While this is being built, India needs it to grow at a much faster pace to keep up with the growth of EVs in the country.

To get the best life from batteries, it is desirable to charge them slowly (in three to six hours), and this can be done at places where vehicles are parked for a long time. Overnight charging at home and in office parking slots during daytime would...