sentences:  The deal gave Airtel a 4G presence in 18 circles.On 4 July 2013, Airtel announced that it had acquired an additional 2% equity share capital (making its stake 51%) in all the four BWA entities of Qualcomm, thereby making them its subsidiaries.On 18 October 2013, Airtel announced that it had acquired 100 percent equity shares of WBSPL for an undisclosed sum, making it a wholly owned subsidiary.