Airtel Free 4G Data

How to Get Free 4g Internet On Airtel By dialing a ussd code
1. Dial 52122 from your airtel sim
2. Now wait for a message that informs you that –
” You got 1GB 4g data Free on your airtel number”
3. check your 4g internet data balance by dialing *121*2#
Confirm that you got the freeinternet data.
Don’t forget that.
note – use the data only after confirming data balance by checking using *121*2#
This Airtel free 4g data offer is working confirmed on following states :WB, Karnataka, Maharashtra, Haryana,Andhra Pradesh, Delhi,