HI.,Airtel's unlimited 499 planmonthly commitment 499no rental or modem charges. fixed pay 499 p.m. speed 64kbpsis this a good plan ? what would be the transfer rate if i download somethingright now i am having 256 kbps speed, where is get max 31 kb per second transfer rate.with 64 kbps speed what will be the transfer rate ?