New Delhi, June 21 -- Tesla is set to open its first showrooms in India in July, people familiar with the discussions said, kicking off formal operations in the world's third-biggest automobile market as the Elon Musk-led firm hunts for growth amid falling sales in Europe and China. The electric vehicle giant's first set of cars have arrived in the country - Model Y rear-wheel drive SUVs shipped from Tesla's China factory, according to the people.P2...