What is the relationship between Bharti Airtel and Vodafone in the context of the input sentence. Choose an answer from: 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.
Text: MUMBAI (Reuters) - Leading mobile phone network operators Bharti Airtel Ltd and Vodafone India are among the 11 companies selected by the Reserve Bank of India (RBI) to help set up "payments banks", aimed at granting millions of citizens access to basic banking.
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