Tesla opened its first showroom in India last month with little of its usual pomp, but the entry of Elon Musk’s electric vehicle company still made a splash – and is further driving expectations for the South Asian nation’s EV market.Indians have been quietly buying EVs. While still a niche segment in the world’s third-largest car market, EVs are belatedly gaining ground, with a fierce battle emerging between new players and the once dominant Tata Motors.JSW MG Motor India – a joint venture...