Vodafone India Limited, formerly Vodafone Essar Limited, is the second largest mobile network operator in India after Airtel by subscriber base. It is based in Mumbai, Maharashtra. It has approximately 160 million customers as of December 2013.In July 2011, Vodafone Group agreed terms for the buy-out of its partner Essar from its Indian mobile phone business. The UK firm paid $5.46 billion to its Indian counterpart to take Essar out of its 33% stake in the Indian subsidiary. It will leave Vodafone owning 74% of the Indian business, while the other 26% will be owned by Indian investors, in compliance with Indian law.