To avail free 50 Rupees recharge from Paytm, you have to install the Gaana app. Gaana is now offering this offer to its new users only. So, in case you are not yet a registered Gaana app user, you may avail this offer and get 50 Rupees recharge done for free! I will explain the steps in detail.
First of all, you must have Paytm app installed on your mobile and you must be a registered member of it. Next, use the Play store and find Gaana app. Download and install the app.
Once the app is installed, open it and log in, using the Facebook social log in option provided in the app. Once that task is completed and if you are a new user of Gaana app, you will get a notification containing a Promo Code.
Copy the promo code and open Paytm app. Proceed to recharge your prepaid mobile number for 50 Rupees and use the promo code to avail the offer. When the right code is entered, 50 Rupees will be provided to the user, who, thereby can get recharge of 50 Rupees for free!