You Can access Full GPRS through BSNL Portal facility which by default gives facility to watch only 2 BSNL Made wap sites..
Here Is the Procedure.
All this you need 1
-->A BSNL Cellone Prepaid conection,a mobile with a modem(I am using NOKIA 6230,6300,N72) -->First you active your Cellone Portal (its free from BSNL,simply call custamercare) -->Make Two Access point on ur mobile. with default setting of Celloneportal -->Install your modem Driver -->conect your mobile via USB&BLUETOOTH,etc -->Xp will detect your modem if driver instaled MAKE A Dial-UP Conection 2
-->Go to control panel>networkconection and create a new conection. -->In wizard Conect to internet > setup my conection manualy>conect using dial up modem>select your mob#modem> ISP name: blackking user name and password none (cannot give any password and username). -->Phonenumber *99# PROXY SETTING INTERNET EXPLORER SETTINGS 3
-->Goto control panel>Internet option>connection>select your connection>settings>Check "Use proxy server for this conection". -->Enter address 192.168.081.163 and port 8080 -->if u use some other Browsr confi all browser Proxy server like this address 192.168.081.163 and port 8080 ( if u are using a nokia mobile phone do this --> on control panel>Nokia modem option>GPRS Acces point>set it celloneportal) OR
(It not fount this on ur control panel or have some other handset. On XP right click mycomputer>properties>hardware tab>devicemaneger> right click ur madem>properties> advanced tab>Extra initialisation command> type it AT+CGDCONT=,"IP","celloneportal" ) HOW TO USE 4 -->dont try conect internet on your phone now. -->connect using the conection you make (Eg:blackking) -->it will conect to internet and you can show a speedsignal on your taskbar/dont try to open any page -->then pick your moblie and try to acces any site on mobile. any site cant open except cellone galaxy or cellone safary (or press 0 tour mobile after some time u can see cellone galaxy/safary open) -->then return to PC and try to open any site it will open slowly...................... -->if you use Yahoo messenger configure the proxy as like 192.168.081.163 and port 8080 -->you cannot pay any mili paisa for this. your cellone connection must be a validity date and a minimum balance i check it in Rs 50