Get 100 Mb Free For 7 Days

This trick works Airtel numbers.
I Tried the trick and it worked for me.

Just dial 121314 and the automated voice response system will give an offer of 100 mb for 7days.
Press 1 twice.
You will shortly get a message either saying that it has been success or minimum balance is required. I tried at zero balance.This Trick Working In Punjab,Maharashtra And Delhi ..Checked 100% working...