Go to configuration in settings...
Go to personal config...
Select add "web"...
After its created, select it and search for "use preffered access point" and set it to "no"...
Now the last option will be unlocked, open it, go to apn or acess point name...
Name it- airtelgprs.com
now save it..
At personal config, add access point and open it..
Change account name to whatever you want and change access point to airtelgprs.com
activate both in personal config...
Now go to configuration and check that both web(named personal config) and access point are selected as default and then select act default in all app...
You are done...
Is it working now...?