With Aircel BlackBerry service you can now experience high speed Internet with EDGE technology using the BlackBerry Servers.Stay always online access data anywhere on the Aircel network. 
Aircel offers following BlackBerry mobile phones :
Blackberry-Curve-8900
Blackberry Curve 8320
The “unlimited *” denotes a “Fair Usage Policy” of “maximum 5000 calls”, after which all local (A2A, A2M, A2F) and STD (A2A) will be charged @ Rs 0.50 per minute.
The “Exclusive blackberry services” for Aircel Blackberry customers are:
- 24X7 dedicated BlackBerry Care service, at just one ring
- BlackBerry helpdesk at all Aircel brand shops
- Service at doorstep
(source:telecomtalk.info)
