bsnl iti a211 i router

[ck111]

I have Bsnl Type - II wifi modem, model no. ITI DNA-A211-I. Yesterday I flashed it's firmware with Airtel's modem Beetel 450 BXI. Firmware is "THU-0Q-005_TEST_2-20080928.img". After flashing, my modem keeps on auto rebooting again and again, however I am unable to use any mode.Since, the modem can't be used due to continously rebooting, I am not able to use internet through lan & wifi function.Can someone provide me the original firmware of ITI DNA-A211-I so that I can get my modem back to it's original settings ??? Or, is there any way to get rid of auto rebooting of the modem ?Please help me.Thanks.chirag