How to Get 500MB Free 3G Data on Airtel:
~Click Here to apply for 500MB Free 3G Data on Airtel.
~You must connected to internet through any Airtel SIM.
~Click on “add alternate contact detail” at left side.
~Enter your alternative mobile number and email ID.
~Click submit and you’ll get OTP (one time password) on mobile.
~Enter that OTP to compete...