wrong section
since u are new here so i am answering ur query in wrong section itself.next time post in correct section
@saiaspire
no it does not occur be overloading.
@bluetooth
Either the there is no ppp protocal which bsnl uses in dataone or it might have been changed during the upgrade process.try installing a ppp oe dailer from bsnl website.the link is here
http://rajasthan.bsnl.co.in/main/PPPOE098.EXE sorry for direct link but there was no info available about it on site so i gave direct link.also pls mention ur operrating system in next post it will help.also u can contact bsnl.i don't think u will get a promt reply