Network(Internet) not available to 'Administrator' user other than 'root' user

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http://askubuntu.com – I am facing a peculiar problem with 12.04. I have a Airtel Huawei E173 3g USB modem with Linux driver and connection manager called 'Mobile Partner'. It is working fine without any driver but SMS and USSD functions are not available with Ubuntu Network manager, so I installed the package as per instruction given. The software is working and connects to Internet correctly, showing data traffic on display, but the only problem is that, Network(Internet) is not available to 'Administrator' user other than 'root' user. This is why those application have root access like Software Center and Syn (HowTos)