If you are using Airtel mobile network then you can get Free 500MB Data for 30 days on Airtel Mobile Network, just follow below steps:
Free 500MB Data
First Install My Airtel app from Playstore
Login or Register using Airtel Number
You will see a Banner of Airtel Movies, Install the app
After install open the app.
Register your account with same Airtel Number.
Finally you will get Free 500MB Free Internet Data with 30 Days Validity.
To Get Unlimited Trick Free 500MB Use Below Steps:
Clear Data of My Airtel app, uninstall MyAirtel app & Airtel Movies app.
Again Download MyAirtel app.
Sign up with other Airtel Number.
Register on Airtel Movie app & get Free Internet.