Sushila Ravindranath Last week has clearly been the week of electric cars. With Mahindra & Mahindra acquiring a 55% stake in the Bangalore-based Reva Electric Car Company, it is apparent that the country is beginning to take the concept of e-vehicles seriously. Several companies, including the Chennai-based Murugappa Group, have been manufacturing e-bikes for several years now with small technologically agile niche setups. A Coimbatore-based company Ampere Vehicles Pvt Ltd has been designing and manufacturing a wide range of electric vehicles for