There are knowingly two ways to get the 10 GB free internet data credit as an add-on which area follows:
Method1
Install the JioTv app on your smartphone
Method 2: (Working 100%)
Open your phone dialer and dial 1299 toll-free number.
Wait for the call to get connected.
Listen or follows instruction if you get any.
Finally, hang up the call to receive the 10GB add-on pack as several users.