4G promotion will boost advertising sector 15% in 2016

"The ongoing launch of high-speed 4G data services is set to become the next battleground for telecom firms. The industry is expecting operators like Airtel, Vodafone and the soon-to-be-launched Reliance Jio to spend millions of dollars on advertising over the next few months to grab market share," Deloitte India's Ashesh Jani told PTI.