Download Wynk Music App by Airtel and Get Free 10 Rupees in Your wallet, Also You can earn more by referring a friend, Wynk app is giving 10 Rupees per refer
Also minimum redemption is rupees 50, You can redeem in your Airtel money/bank/wallet.
Download- Wynk Music app
Install and signup, After sign up you will get 10 RS Sign up bonus.
Now refer your friends to earn more 10 RS per refer.
Also see- Best 5 Android Games in 2018