India � the second largest mobile market in the world � is only now getting ready to roll out 3G networks at scale. Indian subcontinent data revenues will increase from $4 billion in 2010 to $10 billion in 2015.

But elsewhere mobile revolution is scaling technology heights. There will be nearly 120 million LTE connections in the Asia-Pacific region, driven by four major markets � China, Japan, South Korea and Indonesia.

The race begins with the December 2010 launch of Xi, a new LTE service from Japanese mobile giant NTT DoCoMo. Here are some findings from the Wireless Intelligence research study:

* 20 percent of the Japanese mobile market will have migrated to LTE networks by 2015.
* China will have 57.9 million LTE connections by 2015.
* In South Korea, 17 percent of mobile users will be on LTE networks by 2015.
* Australia, New Zealand, Malaysia, Taiwan and the Philippines will account for a combined 11 percent of total LTE connections in 2015.
* SingTel is currently trialing LTE in four markets: Singapore, Australia (Optus),