India is becoming a tech-brand powerhouse. Here's a list of top companies. Number one on the list of most innovative companies and launches is a division of automaker Mahindra & Mahindra, called Reva, the country’s first electric carmaker. The company is betting on the E2O, a four-seater electric hatchback slated to launch in 2013. The car will be more environmentally friendly option without compromising on speed and comfort--unlike Reva’s original two-seater model. The other nine at the jump.