Mukesh Ambani's Reliance Jio has become India's largest telecom operator by revenue market share in the April-June quarter, TRAI data analysed by ICICI Securities showed. Jio recorded adjusted gross revenue of ₹10,900 crore giving it a 31.7% market share. Sunil Mittal-led Bharti Airtel came second with 30% market share and Vodafone Idea was third with a 28.1% share.