Airtel satisified me yet again ,even after migrating from 256 kbps 1 GB pack last month to home 699(128Kbps) i am still getting same 256 kbps speeds also their website still says that i am on speed 500plus plan .Now have already done a data transfer of near 45 GB last month,my father was scared (from our experiance with reliance billing,mobile though) that we may end up getting cloe to Rs 40000 bill,but now after i got the bill everything is clear ,its just Rs 1107(includes phone calls also).Airtel billing is simply too good and the best .Its perfect to minutest details (7 days calculations have been done as per my old plan-Though they provided full 1 GB for those 7 days alone on pro rata basis and rest 23 days based on new plan)