Three months after launching its 4G services, country's richest man, Mukesh Ambani, announced extension of free 4G data and voice calls till March 31, 2017. On September 1, 2016, Reliance Jio had launched a free trial run for its 4G services, that was supposed to run for 3 months. The scheme received an unprecedented response with over 50 million new subscribers taking up the Reliance Jio SIMs, making the company India's largest internet service provider among the private sector companies.