Freecharge offers only for new user so use this trick to loot freecharge.
HOW TO GET :
1). Download & Install Old Version Freecharge App: Click Here .
2). Now Create a new account in old app and enter any random number.
3). Now Update Freecharge App From Playstore.
4). After Update, Open It & Login to Your Account which You Created In Step 2.
5). Now it will ask you to verify your number, enter your correct unregistered number and send OTP.
6). Once you receive OTP, click on Change number and remove last two digit of your mobile number.
Example: Suppose your real number is 9770929146 , so edit it and enter 9770929147.
7). Finally enter OTP which you received.
BINgo!! Your account has been verified . You can use same number again to verify another account.
Also Check Loot offer