India's Ambani to launch free smartphone as he shakes up telecoms

India's richest man Mukesh Ambani said Friday that his telecoms venture Jio would launch a free smartphone, escalating a price war that is shaking up the country's ultra-competitive mobile market.The announcement, made at a boisterous Reliance Industries annual general meeting in Mumbai, sent shares in rival telecoms operator Bharti Airtel plummeting almost six percent."This breakthrough and revolutionary device named JioPhone, along with Jio's disruptive tariff, will unleash the power of digita