Utilize the input text as a context reference, choose the right relationship between Bharti Airtel and Vodafone from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

As per India Ratings and Research (Ind-Ra), with these new norms, the industry could see emergence of four pan-India players — Bharti Airtel , Vodafone India, Idea Cellular and Reliance Jio Infocomm — while others may exit.

Answer: owned_by