Hope this will be helpful for you if you want to browse internet via your mobile phone.
Here is a list of different APN(Access Point Network)That helps you to connect internet on your cellphone.
I have collected it from different friends:
Note:Some of them May not work indifferent states of India This is just a Overall Analysis By Me
For Prepaid gprsppsmum
User Id=mtnl Password=mtnl123
Hope this information is useful for you please don't for get to share and like and comments