i got this email today
At the onset we would like to thank you for your continued patronage towards Airtel Broadband.
With the ever changing world of internet, your requirements as a customer have also been changing. Recent studies done with our customers suggest most of the evolving activities like watching online videos, sending mail attachments, listening to songs, uploading & downloading pictures, movies, songs, etc are experienced much better at higher speed broadband connections. It is for this reason that we at Airtel have decided to upgrade your speed.
After consumption of 20 GBs the speed will go back to your original plan speed. To continue to be on high speed, please use "Speed on Demand". To know more, log on to Speed on Demand- Internet Speed on Demand: Airtel Broadband VAS.
i am on plan 384 kbps in day and 1 mbps in night ,now i am getting 512 kbps in day and 1 mbps in night so it means that double speed is applicable till 20 GB after that my speed will be 384 kbps in day and 1mbps in night right