Gaana app gives you daily coin by doing some simple tasks, such as login, listing music etc. Use this coin to get 1 year Lenskart membership for free. There are some more offer like Flipkart supermart Rs. 100 off on Rs. 700 & more which you can get exchange of coins.
Install or open Gaana App > Collect Some Coins by doing easy tasks
Claim "3 Months Lenskart Gold" membership by exchanging Gaana points (Click on profile icon from top right > coin balance > Redeem coins)
Go to Lenskart & Buy 1 year Gold Membership > Apply that Code
Note: code also working on 1 year membership plan