AdMob, one of the world’s largest mobile ad networks, today announced that mobile Internet traffic from India has now crossed one billion (measured in terms of requests generated on AdMob’s platform to serve relevant ads) per month. The company started its India operations in June 2009 and has witnessed web traffic grow from 502.9 million a month to 1.2 billion in March 2010. Mind you, this figure accounts for traffic registered on AdMob’s servers and the total mobile Internet traffic from India will be much higher.

India is the second largest market for AdMob after the US and according to Mahesh Narayanan, country manager India, AdMob, “Mobile ownership and usage far outstrips ownership of PCs with Internet access in India. In the near future Mobile Internet usage is going to overtake fixed line internet usage in India.”

With offers from carriers like Aircel, Airtel and Tata DoCoMo that enable unlimited Internet for under Rs 100 a month (approximately $2), it is only a matter of months before mobile Internet skyrockets in India.