India’s largest ISP(Internet Service Provider) Bharat Sanchar Nigam Limited/BSNL, provides one of the best and large coverage of its CDMA or EVDO data/internet service. With its limited and unlimited plans it is best wireless internet recommended for mobile users.
So to check the balance of your prepaid account of your EVDO data and voice, just click onto
http://220.127.116.11/balance.php, through this page, just enter the number of your CDMA/EVDO sim card, select state and click submit to get all information. Although this information is only available for North Region Users and South Users have to SMS to get balance info.