UNBLOCK YOUR AIRTEL SIM
IF U CAN SPEND UPTO RS 12 then you can use this process easily
Airtel sim unblocking trick (working 100%)
Here are the steps of unblocking airtel sim-
1. Recharge with Rs103 3G pack.
2. Then use all data and make 3G balance 0.00mb .
3. Left ur sim for few hrs.
4. After that rec with Rs 11 3G pack.
5. Then left ur sim for 24-48 hrs.
Then see the magic, ur sim is unblocked now.
Its working 100%.
I unblocked my own 4 airtel sims.