Airtel online recharge portal (pay.airtel.com online payment) exclusively posted offers for mobile and dongle internet users in both 2G data as well as 3G traiff data plans. Airtel introduced 25% extra usage offer for both 2G- GPRS, EDGE connectivity and 3G-HSPA connectivity.
This special online offer only for prepaid mobile customers can get via online recharge mode only. In details of pack, if you recharge Rs. 449 priced pack then you will get 2.5GB of data 500MB extra under 3G network with validity of 30 days and for Rs.125 price pack under 2G network with data usage of 1.25GB usage 250MB extra.