I have been on this plan for few months under the impression of no FUP on this plan but as i was i getting to enjoy the increased speed from past few days i have got amessage telling i have used 80% of mu FUP.I called Airtel CC and one of the told me FUP is being introduced on all plans while other told me to ignore the message as there is no FUP on 649 Plan .Whom to believe?