unplug and plug Tata photon + and execute the command
$ sudo usb_modeswitch -c /etc/usb_modeswitch.d/12d1:1446
The usb_modeswitch needs to be installed in the ubuntu 10.04
$ sudo usb_modeswitch -c /etc/usb_modeswitch.d/12d1:1446
The usb_modeswitch needs to be installed in the ubuntu 10.04