Prepaid Airtel Blackberry internet plan

Though it is listed on their website, I am unable to activate Airtel Prepaid Blackberry Internet services.  I have provided the following details as requested by Airtel Blackberry customer support at
1- Customer Name
2- Blackberry Mobile Number
3- Alt. Number
4- Blackberry Model Number
5- PIN Number
6- IMEI Number
7- Circle
8- Plan for activation
9- Error while activating the services,
but still get the error message,
We are unable to process your request. If you are a new Prepaid customer please try again after 24 hours. Postpaid customers can call 121 for activation.
Have been trying for one week now,still unable to activate.