Aircel has launched a new offer for its data consumers. It has come out with 3G and 2G ‘unified data tariffs’. Basically, this new offer will allow you to use your data recharge as 3G or 2G data as per your convenience.
Besides the unified data offer, Aircel has put out a recharge offer for Rs. 27, you can get 200 MB 3G data and unlimited 2G usage for 7 days. For Rs. 128, you can get 1 GB 3G data with 30 days validity.
Here are the rates for different circles:
Circles 
Price points 

Delhi  PI 29  PI 134 (1GB) 
Mumbai  PI 28  PI 129 (1.5GB) 
Rajasthan  PI 29  PI 128 (1.5 GB) 
RoM  PI 28  PI 128 (1.5GB) 
Kolkata  PI 27  PI 128 (1GB) 
RoWB  PI 27  PI 128 (1GB) 
Chennai  PI 29  PI 128 (1GB) 
RoTN  PI 29  PI 128 (1GB) 
Orissa  PI 27  PI 128 (1GB) 
Karnataka  PI 37  PI 198 (1.5GB) 
AP  PI 37  PI 197 (1.5GB) 
With this new offer, you can manage your data recharge better. You can also take advantage of the fact that you can that the 1 GB 3G recharge rate is great.