Reliance Jio is always in the spotlight, for its novel network architectures, its rapid expansion into many digital services markets, and its large-scale disruption of the Indian market. It leapt from being a greenfield 4G operator in 2016, to being the largest MNO in the country, sparking consolidation and leapfrogging the other two main survivors, Bharti Airtel and Vodafone Idea. But as with other disruptors such as Rakuten Mobile in Japan, being a pioneer does not always translate easily to consistently strong commercial results. So Jio’s parent, Reliance Industries, and other investors such as Google, will be pleased with its fiscal first quarter results, which point to a business that is maturing and achieving sustainable performance in a tough market.…