For some reason Network manager detects my modem but does not connect it. After adding udev rules nothing happened. Finally I ran across this script called Sakis3G which claimed to be a script working for multiple devices. It worked.
Configuration for Sakis3G
Connect the modem to USB
Download Sakis3G. Choose the i386 version.
chmod +x sakis3g ./sakis3g --interactive
Choose action for Sakis3G script: Connect with 3G Modem category: USB device USB device: Huawei mobile Interface: Interface #0 Select APN: Internet (for Idea 3G) Username: u (anything will do) Password: p (anything will do)
Finally it says E173 connected to Idea
Connection Info
Connection Information Interface: P-t-P (ppp0) Connected since: 2012-12-02 11:02 Kilobytes received: 1634 Kilobytes sent: 194 Network ID: 40419 Operator name: !dea APN: internet internet Modem: E173 Modem type: USB Kernel driver: option Device: /dev/ttyUSB0 IP Address: 1.187.159.6 Subnet Mask: 255.255.255.255 Peer IP Address: 10.64.64.64 Default route(s): 10.64.64.64
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