From films to software-new players hop on to India's e-bus ride

New Delhi, Sept. 29 -- What does a television film producer have to do with electric buses? Or, for that matter, a software firm or a solar power one? Quite a lot, it turns out, as India's big electric-bus push draws a surprising mix of businesses into the race.Bhopal-based Bansal Telefilms Pvt. Lt…