India had 254 million mobile Internet users as of October 2014, the latest data available. Of these, 235 million accessed the Internet through a mobile handset.
It is not clear how much that could change as new access platforms become available, or as existing rival platforms are extended or upgraded.
One could well argue that most of the market has yet to be gotten, if the assumption is that, eventually, most people will use the Internet. At present, perhaps 15 percent of Indians use the Internet.
Some expect 500 million new users could be added in India by 2017.