go to DEVICE MANAGER

go to modems -----> bluetooth dun modem

double click

go to the advanced tab setting

go to extrainitialization keywords

as


for BSNL PREPAID GPRS : AT+CGDCONT=1,"IP","gprssouth.cellone.in"


for Aircel INTERNET : AT+CGDCONT=1,"IP","aircelgprs.pr"


that all , nw dial the number (dial up number -default )after pairing your mobile
enjoy browsing...........