I have confirmed it in all over east U.P (Lucknow) i don't know about other state just try and and Give Your reviews Thank You!
NOTE :-This is not a free trick it just gives you 1GB of 3G data of Rps 250 in just Rps 129.
The Trick :1. Recharge your number with RS: 129 (special recharge)
2. Now in your data account balance will be 1024MB. (Check using *131*3# )
3. Insert your sim in the blackberry mobile and register on Host Routing Table.
4. You will get the conformation as the pack is activated now download something in that blackberry mobile only (can download a app) .
5. Then remove sim and insert it in your mobile /PC/Modem .
6. Surf Net by using "blackberry.net" APN.